Mercury Outboard Bogs Down Under Load


Route and lead the hoses correctly. The gummy. You will need the Mercury number to check these parts. I did all th. It's like the fuel line would become clogged or something. On most modern bikes there is a combined rectifier/regulator (reg/rect). My Mercury 90/65 is hard to start. Welcome to the Internet's premier site for boat motors! This site is part of iboats. It will not get past 2000 rpm's. My mechanic said it idled just fine in the water tank. The difference is that the 115 is not supercharged. The final fix was to shoot carb cleaner down each jet and all the small idle fuel passages. Tony Brucato has been a pioneer in the outboard boating industry since 1994. At the commander switches, the red wire will always have 12 volts. i have work on outboards for 19 years your problem is maybe the trigger under the the flywheel,plus you may have a switch box break down ,omc calls these power packs,however merk; put out a different voltage than omc motors if you engine runs good at idle under a load not a runing cup in the water as you increase rpm if it cuts out,and the fuel system is good it is timing that will be trigger. If a motor misses, ONLY UNDER LOAD, I'm thinking "it must be spark plugs," any others have other ideas about that?? Bogging down on acceleration is often the results of poor re-engineering. Most likely, a good carb cleaning is in order. When I did get it started, it too would bog down when I gave it gas. I have a 1985 115 hp Mercury “Tower of Power”. Took it back out, and it ran fine. Ran perfect with the motor in a drum of water. Yamaha 115 four stroke bogging down. It idles good and revs up good in neutral and out of water. *Craftsman snowblower would not run full throttle without bogging down. Finally had a bit of time to get it out, need to get it out more often especially since I am going to be taking it up to the 1000 islands on a family vacation. I will start at the beginning. Changed the prop to a new 17 pitch and still have the same problem. This INSTANT REPAIR MANUAL DOWNLOAD for the Mercury-Mariner, Johnson-Evinrude, Suzuki, Honda, Yamaha 70HP outboard engines were designed primarily for factory service 70HP outboard technicians in a properly equipped shop. 5L with a newer 2004 powerhead. First of all I would like to say hello to everyone I am new to the site. One friend/firefighter/mechanic, one old Mercury outboard mechanic, and two current outboard mechanics go thru my engine all swearing it was electrical. When I go to take off from a dead stop it will bog down and die unless I choke it a few times. You should write manuals ;-) 07/09/2010 by mayer. Used Cars for Sale. When the key switch is turned to the "ON" position, the horn will turn on for a moment as a test to show the horn is working. Re: Boat stalls when trying to accelerate Back from the shop, took the boat out on the water, yesterday and the problem still exists - just the same as it was. then go back. You can find this in your operator's manual, expressed in terms of a certain horsepower at a certain r. Bike sat for 8 hours before I drove it again and then it begins to bog down!. Gonna run SeaFoam through it and see what happens. I'll start off with a very brief explanation of what Air/Fuel mixture is. 2019 GMC Sierra 1500 For Sale. It bench tested fine but no improvement in running. He put some machine to my prop shaft and ran my motor on it. Yes, the rectifier is a device that converts AC into DC. Then we decided to pull the filter that previously was gunked up. A small plastic stop had worn down on the carbie. 0 litre seapro, 250 efi, 3. OG569299 It was very difficult locating this part based on the information that I inserted from above except for on your site. Modern outboard engines have come a long way, whether you're talking about the now-common four-stroke or modern DFI motors. It seems to do better after it runs for a while but never goes away completely. 7 liter block and powerhead used in the 200-hp Verado. View and Download Mercury 135 Optimax user manual online. Can someone tell me what is happening? Otherwise runs and sounds great- just cant get to the full throttle setting. 15HP or 20HP? As a guy who has always had hard dinghies with oars and a tiny outboard i have always wondered what folks with large RIBs with large motors with a combined weight of 300 - 400 lbs do when you get to a beach in an area where the difference between high and low tide could be a half mile hump. looks like a foul. Off-Topic Chat. Engine began to immediately cut out above 2500 rpms and couldn't get back up on plane. If own a 4 stroke Merc and look around the internet, it wont take long to find someone with fuel delivery problems. Company! Same Day FREE Shipping! + *NO TAX (Except California). You should write manuals ;-) 07/09/2010 by mayer. For EngineerPrepper. The bulb stays firm after I get it running, but I might still have to look into the fuel lines. 5 to 70 hp, but soon after that it introduced engines with a capacity of 120 hp. Search GMC Sierra 1500 Questions. So I opened the carb up to find that the main jet was broken in half. Has new plugs, fuel lines. Joined: Sep 2018 Posts: 4 2006 25HP Mercury Outboard- EFI 4 stroke-2006 25HP Mercury Outboard- EFI 4 stroke- motor was cutting. It had swollen to the point where it would not fit into its groove anymore. Re: Mercury EFI outboard problem Post by Dave Wilson » Wed Jan 11, 2012 3:01 am great ideas- also check the voltage at idle- my efi was doing same thing, I changed the fuel lines and etc. 2 is the fact that they have fewer moving parts, which decreases the constant load on the engine, allowing it to burn the air-fuel mixture more efficiently, and reach. Now, kicks over first time, revs great, but as soon as you release the clutch (in gear) it goes for about 3 feet, and just slowly bogs out, as if running out of gas. However, when I put the motor in gear and increase the throttle, the engine seems to bog down. I propably logged about 20-30 hrs on it last summer and Its doing fine. Disconnect the Mercury Outboard switch and reset, if the engine fires, replace the Mercury Outboard switch. The other odd thing is that when I called the repair shop, they said it was running good when they tested it. Called a mechanic and ran the boat at the dock. 5L with a newer 2004 powerhead. Last April I got my first motorcycle, a 1980 Yamaha Enduro DT-100. I do all the service work on my old Mercruiser as well and the bill for parts is not much higher than the 3. got the bike warmed up (without choke) and once i got going i turned the choke on and had no power at all it kept bogging down like it was getting WAYYYY to much fuel it wouldn't even cruise and after just about 30 seconds of trying to go with no luck it died. SPONSORED LINKS. 28,401 listings starting at $22,793. A leading name in marine engines, Mercury is recognized for producing top-quality outboard motors as well as the MerCruiser line of inboard engines. It will idle and throttle fine but The problem is, on take off it won't go over 10-15 mph. A series of troubleshooting tests chasing the reason for the engine bogging down hesitating while trying to achieve full throttle. I picked up a used 2014 250 Gas Gas a few months ago. It felt like it wanted to, but something wasn't right. Well I think my problem is solved. Until Supplies Last! New Super Discount prices are lower than "Boat Show Prices"! of $99 or more when you check out with PayPal and choose PayPal Credit. 225 Gen 1 bogging down on take off When i do a hard take off (especially with a bit of load on eg tow a skiier) the boat bogs down like it is missing, it does pull out of it and goes fine once on the plane. However, enough information in 70HP outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 70HP. Find Fuel Pump Kit - 14360A78 here. We are concerned here with the family or group that uses its boat as a picnic spot, cruises with its fellow outboard club members on the lakes and rivers on a Sunday afternoon and tows the youngsters astern on water skis. last year I had to put a new main jet in the carb on this atv becasue it wasn't running right, it would bog down and stall everytime I gave it more than 25% throttle. it has new plugs ,primer bulb,water seperator,fuel pump. I switched the outboard off then restarted. The mixture of this air and fuel must be rather precise in order. Calling the 2013 model of a full redesign is a stretch because the core styling. Boat in the shop for at least 7 weeks of the season so far and a new FSM float switch on order to be installed. I have a 1999 Malibu Sunsetter with a Monsoon 325 HP EFI engine. No-wake operation is difficult at best. The 40hp Mercury was a 82. Moeller Water Separating Fuel Filter (Short Water, Mercury/Universal/Yamaha) in Fuel Filters. Engine began to immediately cut out above 2500 rpms and couldn't get back up on plane. This under-cowl, in-line fuel filter fits many Mercury and Mariner outboards replacing contaminated filters and is mounted under the engine cowl. Fresh tank of ethanol free gas. But would you really feel that way if you were adrift 10 miles from the ramp, with a boatload of tired, cranky passengers and an engine that won't start?. I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. 2 Hesitation & Stumble Different owners seem to describe this problem using a variety of expressions. I have a 2003 mercury 150 saltwater series took the b oat out today and ity ran fine until i brought it over 3100 rpms than the motor started bogging. Put it under load and it worked fine. Search GMC Sierra 1500 Questions. It lifts both the stern and bow for maximum. Still trying to figure out the problem. Board index. The green wire gets 12 volts when the trim toggle is held down. First read the. Yamaha Canada was of no help at. You will need the Mercury number to check these parts. Motor: Mariner 175 Magnum EFI OD177611] After solving the starting issue a while back, it starts fine, gets on plane fine and will cruise at about 4K RPMs which is about 3/4 throttle. Find great deals from top-rated dealers TM. )-Fuel filters Now, I'm stumped. There really isn't enough information to answer this question. Each had unique engineering specs, power capabilities and intended uses. 0 litre seapro, 250 efi, 3. 5 In Stock - Ships Immediately. Sea-Doo Boats Jet Boating Forum (not PWC) 4-Tec Sea-Doo Boats. I just changed the high pressure fuel pump on my 1997 200 mercury efi and it now cranks right up. made sure needle was falling when float comes down 2. Problem is when I put it under a load @approx 1500 RPM it boggs down. However, enough information in 90HP outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 90HP. The best way to do this is to give the outboard more work to do by placing it under a greater load while trolling. My 150 outboard was bogging down and the culprit was found to be the ring gasket from this fuel filter. Well I took my t38 out with 20hp honda on the back today with a couple of mates in their 2. like you have one partially clogged main jet that is letting enough fuel thru under normal conditions but when you load it down with 3 people and try to run a. When I advanced power lever to 2100 RPM it would just bog down. Anyway, I had the motor wide open to see how she was running and we were just going. 9 inflatable with 9. Sometimes it will get on pad and run for a few minutes without problem (5-10mins) and then suddenly bog down to idle. Like the title says, 1999 50 HP Merc 2-stroke losing power at wide open throttle. Engine started fine, revs fine in neutral but once over 3000 revs in gear loses power under load. Then when I went out for the third time it ran fine until I shut it down to float for a while. I switched the outboard off then restarted. then check compression. Then if you really load down the boat with people the motor/prop combo can still handle it without bogging down. Things that have been suggested from bar stool Merc techs: fuel filter, fuel pump, fuel line/primer ball. I have a problem with my recently rebuilt 200 EFI Merc. Some go with the Rev 4 to help carry the load, but suffer a drop in top-end speeds. Outboard engines are popular in small watercraft because of their light weight and wide range of size for both low and high power applications. 04-15-2012, 06:05 PM. However, enough information in 70HP outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 70HP. I have a 1985 mercury 2 stroke 6 cyl. 5L XRi EFI (200 hp - 1992 model) that does not have an electric fuel pump. The engine will be running in many of these tests so use necessary safety precautions. 1996 Mercury 90HP ELPTO Bogging Down at WOT. so I load it up and take it to the dealer. I just changed the high pressure fuel pump on my 1997 200 mercury efi and it now cranks right up. It is the 1st tell tale sign of it. At the commander switches, the red wire will always have 12 volts. The bulb stays firm after I get it running, but I might still have to look into the fuel lines. Download Mercury Outboard Manuals: If you have been urgently looking to Download a Mercury Outboard Service Repair or Owners Manual, you will most likely find here 1965-1989 mercury outboard engine 2hp-40hp service. 1 is the displacement, they generally have smaller combustion chambers, which means less fuel burned. I have a 1993 mercury 25hp that im having an issue with. Step 10 - The clutch is designed to release the engine from the transmission, when this part wears it can cause a hesitation in the motion of the car. by Jake (Crofton ky) I have 40 hp Johnson outboard that began to lose power when running on plane last year. Here’s a 16-foot plywood outboard runabout that’s perfect for skIing, fshing and all-around family fun. Fresh tank of ethanol free gas. Started right up no problems running up the river just a few mins, then put it to full throttle and the motor bogged down and died. 5L with a newer 2004 powerhead. Blow back through the jet block mounting surface and. Then when I went out for the third time it ran fine until I shut it down to float for a while. Not sure what the prop pitch is. Cleaned the carbs, and replaced the pilot jets, fuel lines and one carb diaphragm. Well I took my t38 out with 20hp honda on the back today with a couple of mates in their 2. Fires up instantly. The original aluminum boat site! Skip to content. The guy I bought it from knew nothing about the motor (other than it had been worked on by a boat motor repair shop before he got it) and had never been fired up since. A series of troubleshooting tests chasing the reason for the engine bogging down hesitating while trying to achieve full throttle. I have a 1995 200HP Mercury Outboard EFI 2. While out testing the boat it ran out of gas and picked up power right befor running out. Then RPM dropped off and and boat would barely run above idle. View and Download Mercury 135 Optimax user manual online. Things that have been suggested from bar stool Merc techs: fuel filter, fuel pump, fuel line/primer ball. What I know Primer ball in the fuel line seems to be hold. Pilot jet ngan main jet pakai saiz berape untuk spec 56? Kalau carb nsr main jet dengan pilot jet apa yang sesuai. Initially I can rev it a little in gear and it seems like it runs fine. Mercury 50 1987 bogs down when full @ full throttle 13 posts Sep 12, 2013 Motor Runs great bogs down under load. Listen for the generator bogging down and watch for black smoke in the exhaust. 6: Bearing hangers for jack-shaft bolt to slotted braces so hangers can be moved up or down by loosening four 1/2" bolts. Motor: Mariner 175 Magnum EFI OD177611] After solving the starting issue a while back, it starts fine, gets on plane fine and will cruise at about 4K RPMs which is about 3/4 throttle. hey guys, I just bought am 87 Bass Tracker with a 150hp Mercury Black Max and it ran GREAT on Wednesday when I test drove it for an hour out on the lake. It runs for a few minutes and then bogs down and dies (not under load, in neutral). other times 25. Try holding the choke while running at a good speed (15-20 mph). 70 HP Mercury Bogs first thing in the morning. I can lift the warmup lever and it will hit high rpms with no problem, but when I try to run it full or even half speed while in gear it goes for about a count of 5 and then bogs down. Hey guys, On my 1986 Mercury 50hp 3-cylinder, I'm getting an occasional misfire/bogging. Like the title says, 1999 50 HP Merc 2-stroke losing power at wide open throttle. Last April I got my first motorcycle, a 1980 Yamaha Enduro DT-100. If you are planning to produce a DVD and you take pains to make sure your data takes, up just under 4. i have run this boat a few times, and randomly usually within 15 minutes of start an engine will quit. It will idle and throttle fine but The problem is, on take off it won't go over 10-15 mph. This INSTANT REPAIR MANUAL DOWNLOAD for the Mercury-Mariner, Johnson-Evinrude, Suzuki, Honda, Yamaha 70HP outboard engines were designed primarily for factory service 70HP outboard technicians in a properly equipped shop. We provide fast shipping and inexpensive shipping. My mechanic said it idled just fine in the water tank. This is an easy fix! The fix: Replace the fuel filter. James Moylan's bill that would allow mayors to establish rules to permit games of chance at the annual Liberation Day. Story and photos by John Bellah As more vehicles today are computer-controlled and fuel-injected, the word "carburetor" is going by the wayside in the same direction of the Beta Max, dial telephone, typewriter and 8-track stereo. What makes an outboard boat motor run great and rev up in idle and then bog down and sometimes die when-? but not work during an open throttle situation and/or under a load. Sometimes it will get on pad and run for a few minutes without problem (5-10mins) and then suddenly bog down to idle. With an empty load you will find about 38 - 40 with a 19" prop and lower RPM maximum. The green wire gets 12 volts when the trim toggle is held down. OG569299 It was very difficult locating this part based on the information that I inserted from above except for on your site. Single Cylinder OHV Air-Cooled Engines. Things that have been suggested from bar stool Merc techs: fuel filter, fuel pump, fuel line/primer ball. The cavitation plate is right at the bottom of the boat when the motor is in the full down trim position. Sort By Price Priced Under$46 // Priced Under$169 // Priced Under$287 // Priced Under$341 // Priced Under$759 // Priced Under$887 // Priced Under$1408 // Priced Under$1920 // Priced Under$2400 // Priced Under$4650 More Listings Relevant Items // Almost Complete // Low To High // Maximum Price // Recently Listed. This is the only time it bogs down, otherwise it runs and idles fine. Have a mechanic test the circuits and repair or replace components as required, since this is generally not a DIY job. Got a new water pump, LU oil and spark plugs. 1985 Mercury 150 black max stalls/boggs down under full throttle load Hi all I have a 85 Mercury 150 Blackmax motor and it starts up and idles fine untill u take off and put it in full throttle, motor will die if u don't ease off on the throttle, it was running fine then all of a sudden on the next run. 2 Stroke Torque. “Hard ninety!” cries Lincoln, meaning turn left or right, deliberately bogging down on top of the razorback. This back-pressure seemed to make it harder to start and it would frequently die when at idle. the gas cap it was under major. I switched the outboard off then restarted. Has good compression and good spark on all cylinders. Gonna run SeaFoam through it and see what happens. last October my 2004 F-225 lost RMP while leaving the dock. Oklahoma Fishing » Boat Dock » Mercury 50 HP bogging down. Before the trip, review your generator's operating manual and perform (or contract out to a qualified service company) all necessary services (oil and filter changes, zinc replacements, belt inspection and replacement). The Brucato ACU offers 15+ fuel curves that can be customized for your EFI motor application (1988-2001). Then if you really load down the boat with people the motor/prop combo can still handle it without bogging down. This could be anything from a clogged pick-up tube screen, or faulty check valve. I would be traveling WOT @ 5250 RPMs then she would bog down to approx 3000 RPMs. com offers 329 carburetor motorcycle 125 products. If you have a two-stroke outboard motor, you must add oil to the fuel to lubricate the engine. | Boat Design Net. After alot of work, it ran pretty well. The result was the engine was over advanced. He did siphon out some fuel that was brown, like dark tea colored. 0 litre marathon. Seafoam is great stuff, I use it, keeps the carbs clean, but it's not a solvent. Mechanic said everything else checked out ok. These hydrofoils generally word pretty well and get you boat planed off a little faster and they cost from under a hundred dollars to a maybe a few hundred dollars. for one day. The one in the bike must. Starts fine and idles fine, but when I go to accelerate to get on plane it will bog down just prior to getting on top. Tried to accelerate and it just bogs down, not getting over 2500 rpms. Offering discount prices on OEM Mercury Marine parts for over 50 years. 300XS Optimax| Mercury Outboard Engine Test Review. 7 liter block and powerhead used in the 200-hp Verado. Second reason is the age of the impeller. start it up put in gear and it kills Try it again giving it a little more gas an stays running, so I go to take off and it just bogs and wont even reach plane, back the throttle off and try again with same result with a strong smell of gas. Check the manual to be sure, but a good rule of thumb is 4 amps of 240-volt current per kilowatt. Look for leaks caused by the wrong base gasket or if it was installed upside down. Things will get worse down the road with a 10 percent difference at the tera- level. Anyway, I had the motor wide open to see how she was running and we were just going. I had my boat out on Seneca on Friday with my cousin. Sometimes I can do 80. I took it out last week and noticed when going from about half to full throttle, the motor bogs briefly before running out at full throttle. Many other components from its beefy big brother is used as well. Yamaha Outboard Parts. Losing power under load - problem solved. All the books are 175 Mercury Outboard. Seafoam is great stuff, I use it, keeps the carbs clean, but it's not a solvent. When I pull off slow, it pulls off fine but as soon as I put throttle on it bogs down and cuts out. Seems to bog even more if you give it throttle. Cockos Reaper, Page 8 - Gearslutz is part-supported by our visitors. 28,401 listings starting at $22,793. There are some similarities between this motor and the earlier. When put under a load it tries to take off then bogs down like it's either flooding or not getting enough gas. This paragraph also applies to relatively stock engines with the original carburetor. What I know Primer ball in the fuel line seems to be hold. Most often fouled spark plugs are noticed when the engine starts fine, runs fine for a while, but then bogs down, starts to lose RPM, and dies. com motor bogs down at full throttle Page: 1 - iboats. other times 25. Pump etc were fine. Motor bogs down under load. + very well stated question. Engine started fine, revs fine in neutral but once over 3000 revs in gear loses power under load. Joined: Sep 2018 Posts: 4 2006 25HP Mercury Outboard- EFI 4 stroke-2006 25HP Mercury Outboard- EFI 4 stroke- motor was cutting. It runs for a few minutes and then bogs down and dies (not under load, in neutral). A restricted (plugged) fuel filter will often allow low speed operation but the engine will die under hard acceleration or at higher speed. Except the thread is called '2 Stroke vs 4 Stroke mower' so it's a valid comparison, some would say moreso than arguing about motorbikes. On muffs and water hose it runs like a champ but put it under a load it the river it idles rough, has slow response to the throttle, and when the throttle is wide open im only traveling at half speed. Couldn't stay above 10 knots for long yesterday. Bring an older car that isn't running right into a shop manned by our younger generation and the technician may scratch his or her head and say; "That's old. Took it out Friday, ran fine at first for 15 or 20 minutes then dropped from 4300rpm down to 3000 to 3500 and wouldn't go any higher at WOT. However, enough information in 70HP outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 70HP. 1988 Celebrity fish and ski with a new 4. 9 inflatable with 9. last October my 2004 F-225 lost RMP while leaving the dock. Re: 1999 Mercury 135hp bogs down out of the hole « Reply #22 on: July 11, 2015, 06:03:33 PM » The only times I notice any issues is when trying to load on the trailer (will almost never rev up to push onto the trailer, just bogs out,) occasionally when trying to take off even if slowly advancing the throttle, and when trying to get a water. Still have a grease gun loaded full of grease to squirt in the shiny nipples!\. Check engine control systems with a scan tool. Get that engine running smoothly and starting on the first crank! Both spraying a solvent cleaner and running it through the motor are featured. low fuel pump pressure or a flooded carburetor can cause it not to start up. Called a mechanic and ran the boat at the dock. Hopefully that will solve everything. Like the title says, 1999 50 HP Merc 2-stroke losing power at wide open throttle. I usually. Mercury Outboard Forum for Mercury Outboard problems and answers by Mercury outboard owners Mercury 2015 150 Heavy shaking I have a heavy shaking starts at 2800 rpm while under load. Well I took my t38 out with 20hp honda on the back today with a couple of mates in their 2. Hesitation under light throttle: Deadspot & stumble. I need some help diagnosing my boats problem. Things that have been suggested from bar stool Merc techs: fuel filter, fuel pump, fuel line/primer ball. This INSTANT REPAIR MANUAL DOWNLOAD for the Mercury-Mariner, Johnson-Evinrude, Suzuki, Honda, Yamaha 90HP outboard engines were designed primarily for factory service 90HP outboard technicians in a properly equipped shop. Offering discount prices on OEM Mercury Marine parts for over 50 years. Mercury makes other. the gas cap it was under major. 2020 GMC Sierra 1500 For Sale. At one point, he pulled off the muffler and used a dremmel tool to remove the restricting ring and that sound deadening. Thanks,Tulsa Mike. He rebuilt the carbs and still could not get it to rev past 1500RPM under a load. Answer Save. Now, kicks over first time, revs great, but as soon as you release the clutch (in gear) it goes for about 3 feet, and just slowly bogs out, as if running out of gas. The Mariner® reputation is built on experience For year after year, Mariner owners have revelled in the rewards of dependability derived from quality engineering. Each had unique engineering specs, power capabilities and intended uses. Note self-aligning bearings on the bearing hangers. I was out this weekend and when I was on plane running around 4500 rpm everything was great. Re: Boat stalls when trying to accelerate Back from the shop, took the boat out on the water, yesterday and the problem still exists - just the same as it was. 75 Mercury Black Max bogs down Not rated yet The motor runs great out of the gate for about half an hour then. But you also need compression and the correct spark timing. Too much prop pitch puts extra. It will get back to full speed but doesn't have the pep like when it first starts. Rebuilt carbs, all fine. Mercury 50 HP bogging down up on plane it bogs down and will die. I propably logged about 20-30 hrs on it last summer and Its doing fine. I have been working on an old jon boat for a while now. If this occurs a number of. Engine runs smooth, and doesn't smoke, just will not turn up to rpm. 2 stroke idles all day but won't rev !! Off Topic Section. Shoots out of the hole like a champ. Mercury 70 hp bogs down at full throttle. Although it certainly could be other things, I'd look into the possibility that it might be time to rebuild the carbs. Happy days 2-boat AC training on twelve metres back in the day. Ditch the old metal fuel can,dump the fuel line and install a new one. Replaced (ever so slightly leaking head gasket in lower cylinder) and checked compression. This morning at daylight, launched the boat, engine is a little cold nature. 5L with a newer 2004 powerhead. Then, all of a sudden I started having this issue. My 2 stroke fires right up and runs great for about 1/2 mile, then once warmed up it bogs down during acceleration. Then when I go to load it on the trailer it just bogs out with very little power. When the throttle is opened, the slide moves up and the main jet opens allowing more fuel to enter the throat. With an empty load you will find about 38 - 40 with a 19" prop and lower RPM maximum. of a 33 gal. My 05 225hp bogged down on take off, mainly when under load towing a waterskiier. SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard Mercury & Mariner Outboards 2001-2014 All 2 Stroke Models Re: 2001 Mercury 115 hp Saltwater 2 stroke I run new plugs every season. Max speed should be close to 40 mph and I'm lucky to get to 15 these days. 1) Inspect hoses. it sounded and ran smooth. I have a 2014 40 hp mercury four stroke on a 13. It runs for a few minutes and then bogs down and dies (not under load, in neutral). If the voltage is less than 9 1/2 volts during cranking there is a problem in the battery s or the Ignition switch Box. -Coil (thought it was coil breaking down under high r. Timing and synchronizing out of adjustment. I hauled it back and forth to the shop that summer more than I hauled it to the lake. Check engine control systems with a scan tool. Put it under load and it worked fine. Put it on the lake, put it under a load, and it'd bog down horribly. Now the thing is if i keep pushing the choke it will rev up to about 5000 and seem to run somewhat normally. I found it by manually opening the butterfly valves while the engine was under load. Pull the drain plug on the foot. 2000 Yamaha 200 Ox66 Weight. This last trip the problem was worse than ever before. Then it will not start again until it fully cools off. 16 posts Jun 23, 2011 1984 Johnson 70 idles but won't go 30 posts Jun 1, 2011 Johnson 70 hp no power under load Update 27 posts Oct 30, 2006 More results from www. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. I had my boat out on Seneca on Friday with my cousin. This is the only time it bogs down, otherwise it runs and idles fine. Like the title says, 1999 50 HP Merc 2-stroke losing power at wide open throttle. 61 Great Deals out of 4,381 listings starting at $19,590. start it up put in gear and it kills Try it again giving it a little more gas an stays running, so I go to take off and it just bogs and wont even reach plane, back the throttle off and try again with same result with a strong smell of gas. Yamaha 115 four stroke bogging down. It lifts both the stern and bow for maximum. Anyway, I had the motor wide open to see how she was running and we were just going. Runs like a sewing machine for 1/2mi and will start missing and bogging down. He rebuilt the carbs and still could not get it to rev past 1500RPM under a load. 2020 GMC Sierra 1500 For Sale. 2 stroke idles all day but won't rev !! Off Topic Section. Thanks,Tulsa Mike. The next time I took it out, it worked fine for the fist few hours. My rpm gauge has not been working. 1 is the displacement, they generally have smaller combustion chambers, which means less fuel burned. Not sure what else to try 1997 Johnson 15hp Bogging Down Under Load w. Sure enough it had gunk on it too. - still had problem, then checked voltage- mine would run up to 17 volts at low speeds- causes engine to shut down. A friend gave me a no name 23cc 2-stroke scooter. Last year at the end of the season the boat started running bad after running it for about 30 min. My mechanic said it idled just fine in the water tank. But when I push it further to full throttle the motor will bog down and make like a low growling noise, will buck and vroom. assuming a pretty much OEM stock engine and the. OG569299 It was very difficult locating this part based on the information that I inserted from above except for on your site. I hauled it back and forth to the shop that summer more than I hauled it to the lake. I have been working on an old jon boat for a while now. While out testing the boat it ran out of gas and picked up power right befor running out. 75 Mercury Black Max bogs down Not rated yet The motor runs great out of the gate for about half an hour then. Have a mechanic test the circuits and repair or replace components as required, since this is generally not a DIY job. Now, for 2006, Mariner add new sparkle with an extended range of quality outboards spanning 275 hp to 2. The problem seems to happen only under a load. and then went to outboard boat racing in the late 1960's. Took the bike for a ride and it ran great - lots of power, no hesitation and no fuel leaks but only below 50 mph. Many other components from its beefy big brother is used as well. He rebuilt the carbs and still could not get it to rev past 1500RPM under a load. Has anyone had any experience in running a 4 blade prop after a 3 blade?From what I have read there. GMC Sierra 1500 Experts. )-Fuel filters Now, I'm stumped. Sometimes it will get on pad and run for a few minutes without problem (5-10mins) and then suddenly bog down to idle. Mercury Marine, based in Wisconsin, has been making Mercury outboard motors in two- and four-stroke versions ranging from 2. Changed the prop to a new 17 pitch and still have the same problem. The difference is that the 115 is not supercharged. ouch,,may have been failing water pump,,could have gotten hot and the motor seizing up was what caused it to bog down on ya. There really isn't enough information to answer this question. Here’s a 16-foot plywood outboard runabout that’s perfect for skIing, fshing and all-around family fun. 2007 Challenger 180 with Water almost to the top. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Ran perfect with the motor in a drum of water. If the plug is black and/or wet, you're too rich. This morning at daylight, launched the boat, engine is a little cold nature. - still had problem, then checked voltage- mine would run up to 17 volts at low speeds- causes engine to shut down. I have a problem with my recently rebuilt 200 EFI Merc. You dont know how old the fuel. It would start with the help from a little starting fluid but would not run. The original aluminum boat site! My Mercury 90/65 is hard to start. Had it in the shop and mechanic checked the computer and was unable to see any senors or alarms that could be detecting the problem. clutch plate wave 125 double cek balik bro. 2 Stroke Torque. Hate too hear that,,not a cheep repair at all. They later decided to spruce them up and improve these Forces, with Mercury gear cases/props, CD ignition systems, etc. Although it certainly could be other things, I'd look into the possibility that it might be time to rebuild the carbs. 5L XRi EFI (200 hp - 1992 model) that does not have an electric fuel pump. I have a 2014 40 hp mercury four. Route and lead the hoses correctly. Talked to people that have Mercury Outboards and they said that the support from the Mercury is way better. Some go with the Rev 4 to help carry the load, but suffer a drop in top-end speeds. Then, all of a sudden I started having this issue. Last April I got my first motorcycle, a 1980 Yamaha Enduro DT-100. Fuel delivery issues - 2. Had it on the water for the first time today. Anyway, new thermostat should be in today at 2. 300XS Optimax| Mercury Outboard Engine Test Review. so I load it up and take it to the dealer. Usually the engine will slowley cool back down after you come off plane and cruise slow for a while. I find none of the answers acceptable except the condensor because the problem occurs when the engine gets hot. It also fits in specific MerCruiser fuel filter housing. Have had to mechanic and checked timing advance, carb, plugs, wires, compression, everything seems normal. Okay my BAD, it is a 1977 unit. SIM Yamaha carries Yamaha OEM discounted engine parts and Yamaha maintenance parts and accessories for Yamaha outboard motors. Outboard Motor Parts - Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. In the late 1980s Mercury wound up buying the old outdated West Bend / Chrysler line of motors which they labeled their Force brand. My 2 stroke fires right up and runs great for about 1/2 mile, then once warmed up it bogs down during acceleration. - 35 MPH at 6400 RPM with light load, but ~15 mph in turns when tubing with a loaded boat. The Oil Squirting & Time Jumping Hold Up In the early years, when the Verado was first put on the market, in late 2004/2005, the block design it had was called "oil squirters". It has a hard time starting without being given some throttle (in neutral lockout). Engine is still playing up a bit under load at take off. Answer Save. I have a 1998 Yamaha V-Max 150 outboard. I know its not oil so what could be causing my motor to do this? It is intermittent. made sure needle was falling when float comes down 2. There are some similarities between this motor and the earlier. Single Cylinder OHV Air-Cooled Engines. A Mercury SmartCraft System instrument package can be purchased for this outboard. Changed the prop to a new 17 pitch and still have the same problem. However, when I put the motor in gear and increase the throttle, the engine seems. there are no codes. My '79 Evinrude 70 hp outboard dies when I stick it into gear and try to put power to it. If the motor is more powerful than you generally need, just run it lower rpms for the same speed goal. The job of a carburettor is to atomize liquid fuel by injecting it into a flowing stream of air. The only other change I’m thinking of making is a four blade prop but the current setup is that good I’m not sure it will be much benefit. Performance out­board fans have waited a long time for this engine, and our recent test of a production unit bolted to a Bullet 21 XD bore results that made the wait well worth it. *Removed the carburetor, cleaned it (did not touch the float) and put back together. tank and filled up w/ 93 octane to counteract any octane loss with older fuel (6-months with Sta-Bil added). Is it a fuel injected or carbureted? Could be to rich of a fuel mixture or bad float in a carbureted engine or high end needle needs adjustment. SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard Mercury & Mariner Outboards 2001-2014 All 2 Stroke Models Re: 2001 Mercury 115 hp Saltwater 2 stroke I run new plugs every season. After putting. Have a mechanic test the circuits and repair or replace components as required, since this is generally not a DIY job. You will need to lift the motor in some fashion with a lifting device rated at the proper lifting capacity. Find Fuel Pump Kit - 14360A78 here. Easy to use parts catalog. The bridgestone dueler H/T D684 tire is a highway tire that is ranked number 52 out of 60,1 being the best,60 being the worst. CDI electronics has been the leader in outboard marine Ignition technology since 1983, and their products are marketed under the name of "Quick Strike ignitions". Shoots out of the hole like a champ. i have work on outboards for 19 years your problem is maybe the trigger under the the flywheel,plus you may have a switch box break down ,omc calls these power packs,however merk; put out a different voltage than omc motors if you engine runs good at idle under a load not a runing cup in the water as you increase rpm if it cuts out,and the fuel system is good it is timing that will be trigger. The one in the bike must. The electronic data in this Section has been largely supplied by CDI electronics, division of Rapair, Inc. GMC Sierra 1500 Experts. 2009 Evinrude ETec 90 HP Tiller Model # E90DSLSEB - Serial # 05244043 124 HOURS I will attempt a concise history of my issue. Search for my posts about it. But, I could not get the boat to go faster than 10mph and 3000 rpm on the yamaha. The motor is a Mercury 150 four stroke. Yamaha 40hp outboard bogs down under load - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Hate too hear that,,not a cheep repair at all. Ditch the old metal fuel can,dump the fuel line and install a new one. The "sharp" misfire, on the other hand, frequently relates to ignition problems. Is it a fuel injected or carbureted? Could be to rich of a fuel mixture or bad float in a carbureted engine or high end needle needs adjustment. One quick check you can do is to pull the fuel line off your carburetor, turn the gas on for a second and see if fuel is flowing out the fuel line. We launched this season 4/22. assuming a pretty much OEM stock engine and the. Ran perfect with the motor in a drum of water. Easy to use parts catalog. The Yamaha outboard alarm system can fail just like any other system on your outboard. Len England. Check your needle setting. When trimmed all the way down the exhaust relief port (If that's what the proper term is) would be just under the water line. M It starts easy, idles easy, and accelerates easy. Bought it Friday afternoon and dropped it in the water. I also noticed the tachometer bouncing on me a few times. In neutral with the cover off, you can rev manually and you can put at full throttle without out any issues, apart from a minor slight bog down before going to high revs. Yamaha 200 Carb Adjustment. Anyway with Oyster and his Mercury mechanic who knows the engines says it is either the Stator or The Switch box. 3′ Boston Whaler. Mercury reserves the right to improve or modify products. Adjust main mixture adjustment screw; some models require finger tight adjustment. Some go with the Rev 4 to help carry the load, but suffer a drop in top-end speeds. I have a 2014 40 hp mercury four. Sometimes it will get on pad and run for a few minutes without problem (5-10mins) and then suddenly bog down to idle. I bought a 1968' 35hp Mercury outboard motor back in the early part of the summer. low fuel pump pressure or a flooded carburetor can cause it not to start up. The warning horn will emit either a. My mechanic said it idled just fine in the water tank. I pulled the carbs and found lots of crud in the bottom of the float bowl so I bought three carb kits from iboats,, fifteen bucks and change each. The wide range helps you find just the right go-to guide to help you with the upkeep and maintenance of your Mercury Outboard. Can someone tell me what is happening? Otherwise runs and sounds great- just cant get to the full throttle setting. Loss of Power Under Stress. When put under a load it tries to take off then bogs down like it's either flooding or not getting enough gas. Ran fine for about an hour then top speed gradually began to drop from 50, to. View and Download Mercury 135 Optimax user manual online. I'll start off with a very brief explanation of what Air/Fuel mixture is. I bought a 1968' 35hp Mercury outboard motor back in the early part of the summer. Don't let water moisture or other fuel contaminants rob horsepower from your engine. )-Fuel filters Now, I'm stumped. like you have one partially clogged main jet that is letting enough fuel thru under normal conditions but when you load it down with 3 people and try to run a. Got a 40hp 4 stroke Yamaha. 1 is the displacement, they generally have smaller combustion chambers, which means less fuel burned. Diagnosed: fuel problem; fuel pump output was very limited. Strange, since the mechanic actually took out chunks of plastic from the fuel line and said that MUST have been the issue - fuel restriction. After alot of work, it ran pretty well. Original question. Things that have been suggested from bar stool Merc techs: fuel filter, fuel pump, fuel line/primer ball. Has new plugs, fuel lines. Diver87 wrote:The EFI 4-strokes now are pretty awesome engines. When this occurs, there's a constant fluctuation in the amount of fuel that's pumped to the boat's carburetors, and as a result, the motor's RPMs go up and down. Last April I got my first motorcycle, a 1980 Yamaha Enduro DT-100. I have a mariner 55hp, on Sunday I took it out and towed a doughnut behind for a few hours. Step 1: Consult the outboard motor manual for the proper motor lifting procedures. 5 EFI XRi 200hp It has a Mercury 2. At the commander switches, the red wire will always have 12 volts. 2009 Evinrude ETec 90 HP Tiller Model # E90DSLSEB - Serial # 05244043 124 HOURS I will attempt a concise history of my issue. While skiing a few weeks ago, the boat abruptly shut off and would not restart. Then when I go to load it on the trailer it just bogs out with very little power. Easy to use parts catalog. Tony Brucato has been a pioneer in the outboard boating industry since 1994. The blue wire gets 12 volts only. It is also a good practice to check the entire fuel delivery system at this. The Sport Master gearcase is available on all Mercury Racing consumer outboards. The LX 570 now fits much more comfortably in the Lexus full-line photos, thanks to new front and rear styling. 1) Vacuum leak somewhere, or hose off or hooked to wrong vacuum port. The green wire gets 12 volts when the trim toggle is held down. Always use non ethanol gas. A restricted (plugged) fuel filter will often allow low speed operation but the engine will die under hard acceleration or at higher speed. Engine began to immediately cut out above 2500 rpms and couldn't get back up on plane. Another possible cause is an air leak in the fuel line. Enjoy great priced products with fast shipping. It would run fine at idle and right through the rev range and had been plugged into a merc computer at the shop but not on a sea trial. Hello everyone. there are no codes. Hopefully that will solve everything. Easy to use parts catalog. This back-pressure seemed to make it harder to start and it would frequently die when at idle. Step 1 - If a malfunction has occurred that the computer has realized, the check engine or service engine soon light will be illuminated. Fresh tank of ethanol free gas. After taking boat out of winter storage, I attached hose and boat ears turned on water and started engine. It's bogging out a little but once I get past mid-throttle and over it seems fine. Now, kicks over first time, revs great, but as soon as you release the clutch (in gear) it goes for about 3 feet, and just slowly bogs out, as if running out of gas. New Topic Mercury 50 HP bogging down Mercury 200L Outboard. I would be traveling WOT @ 5250 RPMs then she would bog down to approx 3000 RPMs. Problems with the delivery of. You also will always be able to get on plane faster. *Craftsman snowblower would not run full throttle without bogging down. assuming a pretty much OEM stock engine and the. Still have a grease gun loaded full of grease to squirt in the shiny nipples!\. What makes an outboard boat motor run great and rev up in idle and then bog down and sometimes die when-? but not work during an open throttle situation and/or under a load. Usually, when first started, it is a good idea to watch the gauges and monitor the temp. Mercruiser Sterndrive Parts. It will get back to full speed but doesn't have the pep like when it first starts. Always use non ethanol gas. Thanku for any info. As spark plugs age, this gap widens as a result of extreme temperatures, debris and normal wear and tear. then go back. Burned off 18. For some reason the boat didn't feel right. Rest assured that this Mercury Outboard Repair Manual will be a great asset even if you are not an experienced mechanic. When I started it. The electronic data in this Section has been largely supplied by CDI electronics, division of Rapair, Inc. Another possible cause is an air leak in the fuel line. I tried various settings, but ultimately running the motor a half turn richer seemed to help more than anything. You may also want to check the piston heads. Step 1: Consult the outboard motor manual for the proper motor lifting procedures. SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard Mercury & Mariner Outboards 2001-2014 All 2 Stroke Models Re: 2001 Mercury 115 hp Saltwater 2 stroke I run new plugs every season. I do all the service work on my old Mercruiser as well and the bill for parts is not much higher than the 3. Pump etc were fine. It has new power packs and stator. GMC Sierra 1500 Experts. 95! Mercury 2-Stroke Outboard Boat Motor service manuals are available for immediate download! This service is available for only $4. Posts: 177 Location: Lakeville/Cohasset, MN: I had a 1990 Johnson 150 that sat low to the water on a bass boat. Aug 17, 2019 - Explore blogmarkz's board "Evinrude Johnson Outboard Manuals", followed by 739 people on Pinterest. This is the only time it bogs down, otherwise it runs and idles fine. Company! Same Day FREE Shipping! + *NO TAX (Except California). Like the title says, 1999 50 HP Merc 2-stroke losing power at wide open throttle. I put my horse tank under the engine and filled it full so I could run the engine under load. 0 Merc with Carb. Tried to accelerate and it just bogs down, not getting over 2500 rpms. 7 liter block and powerhead used in the 200-hp Verado. I hauled it back and forth to the shop that summer more than I hauled it to the lake. I've used the search bar but have come to the conclusion that my problem is fairly unique. the gas cap it was under major. Some go with the Rev 4 to help carry the load, but suffer a drop in top-end speeds. Cleaned the carbs, and replaced the pilot jets, fuel lines and one carb diaphragm. A basic aluminum prop will set you back about $ 129. Then RPM dropped off and and boat would barely run above idle.

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