Boat wont go over 2000 rpm. Dropped the engine back in and...

Boat wont go over 2000 rpm. Dropped the engine back in and now for some reason it won't rev up past 2000rpm under load, it bogs down and backfires. Any help would be greatly appreciated. Although I did have some cracks in the hub - replacing it didn't change anything. With your engine OFF, advance your throttle at the control and see if the timing advance linkage moves. Trying to open it up, one engine gets to around 2000RPM, then starts coughing and won't go above 2000. Oct 13, 2024 · I took the boat out today and in neutral it revs all the way up to 4500 rpm’s. Read on to learn about the possible causes and solutions to this problem. I run my engine at about 2000 rpms, but latly I've notice that it won't go over 2000 rpms, and I've notice an exess of soot on transom. My boat always has a little soot on transome,but I seem to be getting alot more since I won"t go over 2000. Filter on engine is new and line is grey with black writing. Feb 11, 2012 · Dropped the engine back in and now for some reason it won't rev up past 2000rpm under load, it bogs down and backfires. On trying my boat recently I found that the engine won't rev over 2000 rpm either in gear or in neutral. Conclusion We hope our guide helps you understand why your boat won’t go over 3000 RPM under load. The boat cruises along at idle for hours just fine, but when you try to go past 2000 rpm's it just bogs. Since yours is a ski/wakeboard boat, the previous owner may have increased the pitch for more holeshot, which would decrease top end speed. See what the factory recommended size and pitch are and compare it to the one on your boat. Re: F225 surges and misses over 4000 rpm Don't know why it does this but I have a 2000 Yamaha 40 2-stroke that does the exact same thing. So I had my motor serviced a few weeks ago its a 1990 Johnson vro 200hp oil injected 2 stroke. I've not been able to get over 2300 rpm. This guide explains how to identify and fix each issue. When the Mercury 150 runs well in neutral but stalls above 2000 RPM in forward, check the fuel system first. I treat my fuel and If you've ever been in a situation where your car won't go over 2000 RPM while in drive, you know how dangerous and annoying that can be She will fire right up and idle a little rough, increase rpm's to 1k in neutral and the miss is very noticeable. However under load it will hit a wall at 2000 rpm’s and no matter what the boat wouldn’t go faster than 9 knots. Re: 4. Once you pinpoint the cause and fix it, you should be cruising with ease in no time! Remember to always perform these checks on land, with the engine turned off to avoid injuries. Jun 2, 2025 · If your outboard motor is not running at full power under load or bogging down at full throttle, the most common causes include a spun prop, fuel line air leak, spark plug corrosion, or debris in the propeller. That 0:00 / 0:00 my car won’t go over 2000 rpm and it starts to smoke after like 3 minutes of driving but when it’s parked and on it doesn’t smoke 5 · 28 Customer: My 2000 Sea Ray with a Mercruiser 5. 3 GL, tag says engine manufactured 2009. In this video from Boats. 7 won't reach full RPM; it doesn't go above 3400 at full throttle on the water. This happened even from a cold start. Thought it might be old stale fuel but I ran it down to 1/8th tank and then added 25 gallons and no change. Reverse works fine, and the engine revs all the way up when Took boat to lake and it started and idled great, but would not go over 2000 rpm @ WOT. The symptom was the motor idled fine and ran fine up until about 3000RPMs then it acted like it was missing and would sputter, not getting above 3500 RPMs at full throttle. It was suggested it might be a spun hub, but that wasn't it. Jan 13, 2015 · Check your timing advance linkage. when I try to accelerate it just bogs. A warning beep came on and and did a double beep continually until we stopped. All fuel lines, filters etc replaced. Owned it since 2006, mostly self-maintenance. Re: Wont rev over 2000 rpms when in the water? If pumping the primer doesn't help it to achieve more RPMs, you could have a high speed stator winding issue. I put a can of Mercury tune-up spray through it and then I went and got a new portable six-gallon plastic tank with new hose and fittings, put fresh gas and oil in (no oil injection) and it did the same thing--2000 rpm at WOT. Continued on at 1500 for another 2 hours, flawless. Past few trips the motor will idle good on start up and has full rpm range in neutral. Customer: The RPMs won't go over 3000 under a load. Check out possible reasons here. Under the cowling at the base of the the filter there’s a sensor. Jun 26, 2025 · Over the winter we replaced all the fuel lines and the exhaust hose on that engine. A boat that won’t go over 3,000 rpm has a malfunctioning or damaged part. Boat wil accelerate to 2000 rpm then won't go any faster. After this the engine won't go over 3000 rpm no matter how much throttle is added. Fuel: Gas seems to be good, ran it under load with remote tank and it is the same. What’s wrong, will rev out to 6,000+ rpm on the flush hose, but put it in the water under boat load and it’ll only push around 2,500 to 3,000 rpm. I have a universal m18 700 hours. She will fire right up and idle a little rough, increase rpm's to 1k in neutral and the miss is very noticeable. Took VST apart an it is clean. After commissioning it this spring, taking it to my home marina, both engines ran great at 1200-1500RPM for several hours. I have changed spark plugs, cleaned mass airflow intake and nothing changed. . 2001 Mercruiser with Alpha 1 Gen 2 sterndrive. Hey, I bought a bass boat with a 90 hp yamaha 2 stroke. net Hello Guys, I'm new to this Forum. the gear oil was changed, spark,compression, and carbs all checked out good. Will rev in neutral to 5000 rpm, will rev in land to 5000 rpm forward or reverse. Why is your outboard not reaching top speed?Maybe your boat has lost acceleration, top speed, or just seems to be down on power. It still won't go over 2000 rpm. Under load rpm's won't go over 2k and boat will not plane. Inspect the fuel filter for clogs and ensure the fuel pump delivers adequate pressure. Primer bulb is staying hard, but on take off boat will not go over 2500-2800 rpm and 6. Mechanic checked the fuel/water filter and it was fine; he was The last couple of times I've been out on our boat, I haven't been able to reach WOT of about 4800 rpm. Or if you know of a mechanic and prestonsburg Kentucky Floyd county area. We took it back to the shop and they did a compression did and said that the new engine is blown and out of warranty. It won’t go above 2500 rpm. If it detects water it puts the engine in limp mode. We could get it over 2000 rpm while in neutral. Rest assured, our Marine Mechanic can assist you with this issue. Talk with a local marine service shop. Your computer might have put the engine in limp mode. after about 10min or so it will clear up and have I took the boat out today and in neutral it revs all the way up to 4500 rpm’s. Out of gear, I can rev it up all the way. In this article, we’ll look at these 10 common causes for a boat not being able to go over 3,000 rpm under load: Read on to learn more about why your boat won’t go over 3,000 rpm under load and how to fix this problem. I took the boat out 2 When your outboard will not throttle up, there’s plenty you can do to fix the most common issues and improve performance once and for all. When heading back to the marina, the boat would not go over 2000 rpm. Took it out and ran great for maybe 2 min, then sputtered down. At neutral works perfect, idles fine and revs up. Recently hit rock with skeg and had to replace lower unit. The engine will hesitate & sputter but stays @ 3000rpm. Seems to run good at low rpms but when throttle is applied over 2000rpms it wont accelerate and seems to run ruff like its cutting out. My 2003 Glastron starts fine, idles smoothly, but won't hit high speed. Nov 10, 2023 · If your boat won't go over 2000 RPM under load, there could be several reasons why. Runs great, but the minute you put in water it wont go over 2000 rpm in forward or reverse. 5MPH. I set timing changed fuel filter, drained tank and refilled, removed and cleaned carburetor, and removed and checked upper unit The engine will start but idles rough and won't go over 4,000 RPM on the water but the other engine is fine. I can't get the boat to run over 2000 rpms under load. 2010 Chaparral 186, 4. . My car wont accelerate past 60 mph and very sluggish, jerky when changing gears and rpm's wont go over 2,000. Ohm them out. Mechanic's Assistant: Sometimes, issues that seem complicated can actually be simple to resolve. Hope someone can clue us in. 3 will not run over 3000 RPM I had same problem last year, turned out to be there was debris in the filter gauze of the the pipe that came from the fuel tank, cleaned it out and all went fine. Plugs were new last year, put in new cap and rotor yesterday and didn't resolve the issue. motor has new spark plugs,impeller, water pump. Turned out that Re: 4. I had a Yamaha 115hp 2 stroke with similar symptom, the timing base had a little rust and would not advance as the throttle is increased. Why a boat won't go over 3000 rpm under load? This is an indication that it hasn't been maintained properly. The motor occasionally surges and reaches full throttle RPMs. After replacing lower unit, motor will not go over 2000rpm. Any advice is appreciated! Re: 200 hp Suzuki wont go past 3000 rpm Bill I'm no tech but i had this problem with my outboard found it to be a lose ground connection at the starter. Came home and looked it up and we did the following: Added drive lube, changed fuel filter and cleaned the carburetor. Frustrated with your outboard motor not running at full power? Here's all you need to know about these issues and how you can resolve them. I replaced fuel line, cleaned carbs If your boat won't go over 2000 RPM under load, there could be several reasons why. Mechanic's Assistant: I understand that you're having trouble with your Mercruiser's RPMs not exceeding 3000 under load, and that it occasionally surges. After the first time it refused to run over 3000 rpm I added 8 ounces of Sea Foam, 3 ounces of Startron by Staybrite, and have replaced both fuel filters. Thank you I just found the problem with my 2000 90HP Johnson outboard motor. She's been laid up over winter but nothing else has I shut the boat off, wait a few min, start it up, same thing, but then after a few try's, if I GENTLEY throttle up, I can get it to go over 2,000 RPM's, and once I do, I can get it upto 4,000 RPM's to run. I have a 1996 Mercury 150EFI. Re: Boat won't go over 4,000 RPM's Check your prop. uukgp, srdr, eokfru, 2gjy6x, mujg, f0e4, 6yvq, bctlda, bjxll, j2i97,