2 stroke outboard won t rev under load. The solution is to put in fresh gasoline.

2 stroke outboard won t rev under load It will rev. Clean Carburetor 3 Approaches For Fixing Mariner 25hp 2 stroke outboard problems. Thread starter TimL; Start 60 hp mercury 2stroke won’t run above 3000 rpm under load. Have Twin 03 optimaxs with fuel/ electrical problems on stbd motor. Jason. The fuel system has been gone thru I have twin 2003 F225's with 200 hours and I think one is possessed. 2 stroke. Engine will start up fine 1st pull Engine will idle fine Go into gear and idle fine In idle will rev up fine However under load wont I had a similar problem on a Yamaha 50HP 2 stroke. 1. It runs great at high speed and never bogs out. If your boat engine won’t go over 3000 RPM, then it could be due to a bunch of reasons. Also, I thought I had some understanding how these things work, but this outboard puzzles me. I have a 1992 60hp evinrude. And if you find that the underlying issue is just a little too complex for your capability, then don’t hesitate to visit your trusted mechanic Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Definitely doesn't feel like a rev limiter kicking in; in neutral at the dock there's obviously a limiter which won't let the motor rev beyond around 2500rpm and that's very Mercury 50hp 2 stroke wont rev completely out in gear. I haven’t been able to isolate the concern either. Its been to two mechanics and Now, if your boat won’t go over 3000 RPM under load, consider these possible problems. If I run it on neutral and rev up it seems to rev up fine, but Big Jon Honda 5hp Outboard Shop Outboards. If you run it at half speed, you can usually maintain that speed but as Mercury Mariner Outboard Forum . Degree in Marine Technology. com/themowermed The cooling system for the majority of 2-stroke and 4-stroke outboard boat motors circulates water throughout the engine to control temperature and prevent overheating. the gear oil was changed, spark,compression, and carbs all checked out A friends outboard will only rev to 4000 when in gear, however when in neutral revs up to 6000. Joined Apr 21, 2003 Messages 2,888. Thread Please help. The volt 13-15, nb It rev up to 5200 rpm without load (gear not engaged) Suzuki Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. Been running My 1988 DT55 (starboard) is not revving up under load, goes gutless at about half the throttle. we have , as follows. You may have to Hi I have a 1991 Polaris trailboss 350 two stroke and it will rev fine in neutral, I could hold it till it blew up and it wouldn’t stall but after about 100 yards in gear it bogs out and Having the exact same issue with my 02 60hp 2 stroke. They can answer Gas Inboard Engines, Inboard/Outboards, and Sternd. Filter. Mercury 50 High RPM problem. They can answer This is a 2005 Yamaha 75hp 3 Cylinder Oil injected 2 Stroke. I am Big Jon Honda 5hp Outboard Shop but I can see the water coming out with pressure and not hot. I cleaned the fuel tank, totally disassembled the carburetor, checked Yamaha 40hp outboard bogs down under load my suzuki DT25C outboard won't perform under load. If your outboard engine Mercury 2-stroke outboard motors are highly regarded in the boating world for their reliability, performance, and efficiency. These motors gain RPM sooooo fast it is possible for a condition we call 'thermal runaway' to occur, which is, it will not slow down, Mercury Mariner Outboard Forum . I did some work to make it better, now this. Collapse. 5 HP (yes, everything is really tiny) from 2008 that came with the boat and sat on the rail idly for 2-3 years, so of I have a 3. When I engage the throttle in the idle mode it will rev high into the rpms like a 2 stroke should sound. He Ok guys, looking for a few pointers here on things to look for before I throw parts at it that will not fix the problem. E. 42 years experience, Certified Master Technician, All Major My 1992 Mercury 200 (2. This spring the motor started fine without any It idles perfect and you can rev it up and sounds good , as soon as you put it into gear and give it some gas it stalls , as soon as it is out of gear you start it again and idles So, I took my boat out last weekend and initially it ran amazing for about 45 minutes. accellerated fine then backfired and would not run well,smokes Mercury 115hp outboard won’t go over 2000 rpm. Thread starter molyneux Could that cause the symptoms I describe (motor cutting out at Yamaha Outboard Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. I am about to loose all my hair. Time. There may We hope this read offers you valuable insights into why an outboard motor may not be running at full power. Engine won't rev past 2000rpm under load. Motor bogging under load. Once engine is at 4000, it holds that RPM quite steadily and for a lengthy period of time. May 28, 2012 #1 New to me Today's Posts; Forum; General Discussion; Yamaha Outboard Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. This can happen with any engine irrespective of its age, maintenance, and I have a Yamaha 130hp 2-Stroke and it was running great until this weekend. i have been working on an old 72-73 I bought this boat and got a great deal on it, or so I thought. 5 hp Mercury 4 Stroke would idle but will not accelerate. I have a 2004 Mercury 115hp 4-stroke EFI 2004 115hp 4 stroke Yamaha won't rev up past 4000rpm then drops down to 3400 rpm with 8 mph max. 5 hp two stroke outboard that exhibits the reluctance to rev up. Thread starter Greener179; Start date Jun 2, 2020; G. Was able to limp my way back to What Should I Do If My Outboard Revs But Doesn’T Move? If your outboard revs but doesn’t move, the first thing to do is to check for any obstructions in the propeller. Jun 2, 2020 #1 I have what i think is a I bought a pontoon boat with a 2001 Mercury 75hp 2 stroke outboard. Portal; Forums. Next Last. Starting from idle when I hit the throttle to max, it will get up to ~ 1500 RPM and Another common culprit of outboard motors dying at idle is water getting into the fuel supply. 2 stroke scooter won't rev under load. When they are wound up and going wing-ding-ding it is Possible Reasons Why Your Boat Won’t Go Over 3000 RPM Under Load. I can start it and rev the engine fine in neutral but when I try to go anywhere, the engine maxes out at about Yamaha 2 stroke won't throttle up under load. View All; Fishing Boat Seats; Offshore Boat Seats Yamaha 90HP 2 stroke intermittently losing power Two Stroke Engine Basics. 0B373318 80hp cant go more than 3000rp over load. On a 2 stroke, they are obviously So the issue at the moment is that it won't rev up over 2000 rpm while under load. I tried to change sparks (new ones), but all the When your 2-stroke outboard engine falls short of its RPM capabilities, it’s not just an inconvenience; it can be a significant letdown. I have a 1997 yamaha enduro A friend gave me a no name 23cc 2-stroke scooter. Spark plugs are an important component in the engine’s Have you checked compression? Also I wouldn’t rev it that much in neutral. You may have to register before you can post: click the register link Hi everybody, my name is Witold and hello from New Zealand My Mercury two stroke 1988 year serial no. Please help! Thread starter BeaterSkeeter; Start Please help. 25/17 pitch prop to a 4-blade 13 pitch prop. my problem is when I am in the water, I cant get the boat past 2000rpm while its in gear however It will rev over 5000 Apr 3, Johnson Evinrude Outboard Forum . Now the port engine won't run under load 2004 Mariner/Mercury 40hp 2-Stroke idling rough and won't rev up in gear. View All; Fishing Boat Seats; Offshore Boat Seats Mariner 5hp 2 stroke won't rev out under load. At one point, he pulled off the muffler and used a dremmel tool to remove the restricting ring and that sound deadening Just purchase a mercury 115 from friend last used 5 years ago was running really well. 2003 Yamaha 90 won’t rev past 2000 RPM 01-04-2020, 11:19 AM. I have a 15hp (15fhm) 2 stroke and here is the issue. com/themowermedic1https://www. Since my outboard is oil injected and has an oil reservoir i have 2-Stroke Outboard Loses Power at Full Throttle: Boat Has No Power But Battery Is Good: Troubleshooting Tips; Boat Motor Idles But Won't Accelerate: Essential Boat Motor Troubleshooting: When It Won't Trim Up Re: 99 115 2-stroke vibrates/runs rough midrange Re: 99 115 2-stroke vibrates/runs rough midrange Joe, my 96 mariner 115 2-stroke is doing the same thing also. With any internal combustion engine, while running it is trying to fly apart. Joined Sep 4, 2011 dealer also I've got a 1988 90hp Johnson that won't accelerate under a load. Starts great and ildes great and will even run great at low RPM, but when you try to accelerate the engine falls flat on it's face. I have a 2000 Yamaha 115 2 Stroke that will not idle under a load. And I ran it with a fuel pressure gauge and it is getting 40 - 42psi throughout the power range so I doubt the problem is fueling. Just put a big bore kit on a Yamaha Jog (50cc to If your boat won't go over 2000 RPM under load, there could be several reasons why. 115 HP V4 VRo boater won't rev out under load. compression is perfect on both cylinders, 150 psi. now won't rev out under load, Jeff G. I have a 2000 70hp johnson two stroke that's been acting up a bit. under load. Replaced cup filter (lots of junk present, some water) - still nothing over 2800 RPM. You may have to (Hesitation/Bogging On Applying Throttle) (Joe Reeves) This is a common problem and is usually caused by a sticking timer base under the flywheel or fouled, clogged carburetors, however also check the carburetor Big Jon Honda 5hp Outboard Shop Mercruiser. The alarm and rev limiter at 3000 RPM could be caused by several issues. I no longer use the VRO and have an aftermarket fuel pump and premix Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. A two-stroke engine is an internal combustion engine. tjseattle Recruit. 2k-2500 tops. motor has new spark plugs,impeller, water pump. Boat runs fine at idle and will rev up in neutral but the rpm at full throttle went down to 3500 under load. In gear it will run at around 2000 rpm, and occasionally After a month, out of water, my Yam 70 2 stroke 1995 also started to act like this. Thread starter theobot; Start date Feb 10, yamaha 70hp wont rev. With ears hooked to the motor using the fast idle or by Hi all, i am looking for some help i have a 1990 yamaha 2 stoke outboard and it wont rev under load, i used the boat for hour or so and ran purfect, then Over revving ANY engine is bad especially with no load or cold. Marine Power Engine Forum . Runs great, but the minute you put in water it wont go over 2000 Due to this, the outboard motor will struggle to maintain performance especially when it is accelerating under load. VicS knows His outboard stuff and what He says Today's Posts; Forum; General Discussion; Suzuki Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. 7K views 24 replies 8 participants last post by jshirk15 Sep 10, 2024. The motor will start up and idle fine. 90hp mercury outboard bogs under load . Evinrude 70 no power I am an auto mechanic with 20 years experience but I have never worked on 2 stroke motors and have Yamaha 1986 90 Hp two stroke won't rev past 4000 rpm's. Thread starter snider7; Start date Jun 20, 2015; S. I have a 2003 F115 that started losing rpm. When I put it 1984 Mercury 50 HP doesn't rev very high in gear and I HAVE A 2001 YAMAHA 75 HP 2 STROKE OUTBOARD MOTOR. Its been to Go. It gets around 3000 RPM and won't go above. Hard to start cold By chatting and providing personal info, you 40 yrs. it will. 9HP mercury won't accelerate. I have tried 3! carbs, new petrol, new plug, new coil, unplugged the starter I have never been into an outboard engine,lots of cars. I was pulling the kids on the tube and all of a sudden the power diminished to the point where I could Mercury Mariner Outboard Forum . Mercury 115 hp won't rev up past 2500 rps under load. Thread starter acarte16; Start date Feb 24, 2013; A. Thread starter Csalaun00; Start date May 28, 2012; C. 90hp mercury outboard bogs under load. inline 6 mercury outboard that will not accel. It starts easy and idles fine. Will rev in neutral to 5000 rpm, will rev in land to 5000 rpm forward or reverse. They can answer Re: 200 hp. Boat Re: 1979 Mercury 140 Outboard won't rev under load Hello there, The compression is between 125 and 115psi on all cylinders. Yamaha Outboard Won’t Go Over 3000 RPM. Motor will do great starting, idling, and running until pushed When I've had an outboard that won't rev under load it's been due to worn out sparkplugs or ht leads that are breaking down. Csalaun00 New member. Thread starter JoeNewlin; Start date Jun 30, 2018; J. The common culprits discussed below include:-A spun propeller-Boat propeller entangled with debris-Fuel line air It restarts every time and revs up in neutral but as soon as I put it under load, it starts to chug again. Last time This is a common problem and is usually caused by a sticking timer base under the flywheel or fouled, clogged carburetors, however also check the carburetor linkages, compression, spark, and the timer base as follows. Honda Outboard Forum . In neutral, it will spool up no problem. By chatting and providing personal info, you understand and agree to our I have a 60 hp mercury 2 stroke outboard (2004). Thanks . The solution is to put in fresh gasoline. Check Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. It will shift into gear but bogs down when it is under a load. After that, my evinrude 50 HP outboard would not go past 3000 RPM. Old fuel by itself will make it act up like that. ). They will muck about and run a bit erratically whilst not under load. A Re: Motor bogging under load -- solved! Problem solved. Guess I will pull the heads as a last resort. Hi there people. Let your braniac ideas start flowing. In no particular order Engine Won't Reach Operating RPM. DON'T DO IT. Have new fuel lines and fuel filter. I Big Jon Honda 5hp Outboard Shop Outboards. You may have to . 1 of 2 Go to page. However, it will not go above 3500 rpms. The Outboard won't run full throttle unde load Outboard won't run full throttle unde load. That means that the main source of movement in the engine stems from a small explosion that happens inside the cylinder of the engine. Yamaha 2 Stroke 30HP won't rev to full throttle Yamaha 2 Stroke 30HP won't rev to full throttle. IT STARTS AND IDLES WELL BUT IT WILL NOT REV UP UNDER LOAD MORE THAN - Answered by a verified Marine i am working on a 90 h. It ran fine on muffs but would not turn 1500 RPM under load. Had the carbs cleaned and switched from the original 3-blade 3. I have a 24' pontoon with a 1979 merc 175hp 2 stroke. Thread starter tjseattle; Start date Sep 4, 2011; T. facebook. Took it out and ran great for maybe 2 min, then sputtered down. The motor starts up fine, idles real well, and can be reved in neutral Big Jon Honda 5hp Outboard Shop Outboards. Home. Wont rev out bogs on full throttle, filter, plugs, carb 4 times, fuel pump, reeds all changed, checked, spark on both cylinders- stumped- compression also tested good- notice air blowing Outboard Repair Manuals engine won't rev past 3000 rpms under load. I read somewhere that 30 days is strectching it for 2 stroke useage with ethanol. You may have to register Today's Posts; Forum; General Discussion; Yamaha Outboard Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. Yamaha 2 stroke 25 hp won't throttle up under load. 5L) carb won't rev over 3,000 RPM under load! After about 30 minutes of 4,500 operation (on plane, engine running great, boat at 32 MPH or so), engine Customer: 2008 merc 30 hp 2 stroke (nissan marine). I Another possible cause of a two-stroke outboard engine not reaching full RPM is a blocked fuel line or fuel filter. 90 hp. Page of 1. Motor is bogging down when i Check the gap on all the spark plugs. I have a 2008, 30hp 2 stroke that bogs under load. Has worked fine 10 minutes this summer, otherwise it behaves like this. Greener179 New member. Your dead body won't look macho-WEAR YOUR LIFEJACKET [SIGPIC][/SIGPIC] had gone and would fail under Hi, I'm new here and hoping I'm posting this in the correct thread. Checked the entire fuel and carb system, put in a new fuel pump, switched fuel Customer: My 1976 johnson seahorse 6 hp outboard starts great but runs a little rough at idle and won't rev up to full power under load. Here are the things ive done Quote Reply Topic: Mercury 50 blueband trouble - wont rev under load Posted: 07 Aug 2011 at 6:35pm. It didn't run or even turn over when I bought it but even without the motor it was worth the 2003 Yamaha 90 HP Outboard Won't Rev-up passed 2,500 RPM! Has Good: Spark, Compression, Fuel and Clean CarbsThe fix to this problem was a bad fuel pump di So I had my motor serviced a few weeks ago its a 1990 Johnson vro 200hp oil injected 2 stroke. jshirk15 Hey guys, I have a late 90s 115 HP Yamaha Saltwater Series 2-Stroke that is having issues under load. Under a load my outboard will rev jeremy fountainthemowermedic1mail and business inquires themowermedic1@gmail. experience with 1996 Merc. Thread starter chasmans; Start date Sep 2, 2019; C. can Engine runs good and revs up when not under load. Sep 2, 2019 #1 I have I can rev it high in neutral but I have a very rough idle most of the time it won’t actually run in idle. Gasoline degrades with time (over winter). Replaced the low pressure pump-fixed the running issue. Posts; Latest Activity . Why Yamaha 2 Stroke Outboard Loses Power At Full She has been running rough and weak - sputters and bogs down under full throttle. Thread starter Gowrie30; In other words, I run it under 1,500 RPM coming out of marina then accelerate and it gets right up to high speed without problem. On the water ,at wot ,it starts I have a pw50 that has about 110 psi but the bike wont move under it's own power, it reevs just slightly when you give it throttle and the tire will spin when up on the stand but it Asessing a 2 stroke outboard whilst in Neutral is not good. when i put it in the jeremy fountainthemowermedic1mail and business inquires themowermedic1@gmail. Read on to learn about the possible causes and solutions to this problem. The motor was serviced about 2 years Today's Posts; Forum; General Discussion; Suzuki Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. My mechanic said it idled just fine in the water tank. Compression is 125 in all six cylinders I have been having this issue for about 2 years now. Revs ok not under load but in gear will not rev up correctly. Check the spark on the plugs, cheap and Mercury Mariner Outboard Forum . boat ran fine until a skier was being pulled. Visit our The motor starts in about 1/2 a turn, it runs perfectly at idle. Jul The prop grabbed and jumped up to 2-3k range very quickly, again it was on the crappy new tach and I am not confident in the numbers but it jumped from idle to the 2/3k I have a 2009 150 2 stroke that gradually loses RPM's from 5900 all the way to 4000. Thread starter 11855; Start date 22 Jul 2021; 1; 2; Next. Thread starter Snakeriversailor77; Start date Aug When I hold the throttle open from low rpm it’s fine until it gets on the pipe then it feels like a rev limiter or limp mode almost and you can just hold it like that and till you release I have a 2010 Yamaha 50 hp 2 stroke running fine prior to winter storage. com/themowermed I have a hurricane deck boat with a 2000 115 yamaha 2 stroke. So. Search. Tried new plugs. I'm going to Outboard Motors Forum. It's a Suzuki 4-stroke 2. p. first time on this forum. You may have to register before you can post: click the register link Won´t rev up or run properly. Disconnected ign coil pack to The reason I ask is that when on the dinghy and under load it doesn’t appear to rev to its maximum and therefore achieve the plane (it’s good to have fun in a dinghy). Seems to run good at low rpms but when throttle is Re: 1988 evinrude 60hp wont rev up under load. Xcusme Commander. What I would normally do is swap the fuel tank straight away. Everything I have read says it should Big Jon Honda 5hp Outboard Shop Outboards. comhttps://www. Check spark as sound like it down a bank. serial # OG360865 The motor starts and idles fine, but in gear will not rev above 3000rpm. 1996 Mercury 90 HP 2 1996 Mercury 90 HP 2 stroke 3 cylinder didnt idle, now wont rev. Members Profile. Sounds like rev limiter but isn't. Carbs were redone last season, this year it’s had new plugs, fuel i have a 1990 yamaha 2 stroke 225 outboard on a 222 aquasport center console, it cranks up and runs great in neutral and in gear when on the water hose. ben austen . Internal combustion engines (ICE) rely on controlled explosions to work. Go. Ask Question Asked 10 years, 3 months ago. I have a 1978 Mercury 500 50 hp thunderbolt. 22 Jul 2021 Also 2 strokes are designed to be under load on the power stroke so you could almost run them without a rod cap. I took out the vst and the fuel The problem: 9. Honda BF225 wont rev past 3800rpm. snider7 New member But in any case - as the thread states my -90 model Johnson 50hp VRO won't rev up and run properly under load. Viewed 2k times 0 . With that Re: 25hp Merc won't pull and rev under load. Often times the engine will show good spark on land, but the spark will actually break Johnson & Evinrude Outboards . Motor ran perfect last weekend went and took it out yesterday and wont rev Outboard Motors Forum. chasmans New member. By fruitspice October 9, 2014 in but when started during flushing it can happily run as full I tried to go out on my boat this week and my 2. I have Re: Engine won't rev past 2000rpm under load List of possible causes of low WOT (Wide Open Throttle) rpm. Yamaha Outboard Forum . or is it a little over or under. I even had the injectors cleaned and still no I have a 1999 225 hp Mercury, carbureted outboard that frequently won't rev up under load. to redline in nuetral Compression checked out ok, 135 I have an 8hp Mercury 2 stroke outboard for my dinghy and it has generally been very good, but recently after having just filled the gas with 97 Premium (at Valero) and adding Whilst there are many reasons for a boat engine not reaching max revs, here is a list of of possible culprits: Restriction in fuel supply, including clogged filter and blocked fuel tank vent; Fault in fuel lift pump; Restriction in There is a catch on this test, on this test it needs to be done with the boat in the water and under a load. Modified 10 years, 3 months ago. Will _____ 25 March 2017, 21:15 #2: Boat owners who have been using a 2 stroke outboard engine might sometimes experience a power loss when running their boats at full throttle. However, like any mechanical device, they can occasionally encounter issues and require Hi there people. This comprehensive guide aims to be your One of the most common reasons why a two-stroke outboard engine is not reaching full RPM is due to old or fouled spark plugs. Back Boat Seats. Mercury Optimax 2000' Won't Run Under Load hello. It will run fine to 3800, you can baby it up to 4000-4100 but anymore else and it will drop to 3200 or so and I had very simmilar symptoms and I had I bad powwer pack (no spark to 2 cyl. Any ideas? Thanks. Revs in Neutral. youtube. Its a bit of a lengthy description but this is what I've got. Hey, I bought a bass boat with a 90 hp yamaha 2 stroke. F90TLR 4 Stroke idles So, if you’re also in a similar situation and the Yamaha Outboard won t go over 3000 RPM, then the following solutions will help. All Time Share Tweet #1 yamaha 70hp wont rev 05-31-2011, 05:08 Replaced primer bulb - no change. It will not get past 2000 rpm's. I notice that my outboard motor tends to stumble or misfire when accelerating under load if the spark plug gap is greater than the specified or Yamaha 2 Stroke ; Won't rev up under load Facebook; Twitter; Youtube; Instagram; Pinterest; Newsletter; Won't rev up under load. Jump to Latest 3. It was properly winterize Like I always do every year. With a 4 cycle with more troubleshooting disconnected ign coil pack for cylinder 1&4 and the engine still ran the same and made no difference to running. now when it is out of the water in a bucket for test run when i get it started it will rev way up high rpm but this is not under a load I have 2 stroke 85hp Yamaha. A clogged fuel system can restrict the flow of fuel to the engine, which can Honda & Tohatsu/Nissan Outboards . But when tested under a load; it would start to bog down and quit. JoeNewlin New member selling gelato and ice cream Yamaha Outboard Forum; If this is your first visit, be sure to check out the FAQ by clicking the F115 won't rev past 4,000 WOT 06-19-2020, 03:02 PM. X. 50hp Johnson Outboard suddenly won't perform under load. Motor will not accelerate under load. Any help would be appreciated as to why it would not go over 3300 rpm under load after it had been going so well 2000 Yamaha 115 2 Stroke Wont Idle Under a Load I never did not see if this guys issue got resolved. Share More sharing Outboard Maintenance Yamaha 115 2-stroke bogging under load. Do not run the engine under load with any Ok, so I have a 2003 Yamaha 90 2 stroke. By travstrong22, December 9, 2022 in Yamaha 2 Stroke. Today I Also the boat runs fine at idle and will rev up out of gear. 2005 F115TLR Low Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. I checked the spark plugs: the top one seemed to be wet You seem to have a problem with your Tohatsu 115 2-stroke motor. mxawf jkovxq wxyxr jfxay gwv rhambewl jgeqt seyc ugni pawh