Found that the engine timing was off a bit. Motor has been inspected and ready to mount and run. With the boat assembled and the Yamaha 9.9 motor attached it was time for a few more pics. Really has low hours and hasn’t been used much the last few years. Freight Shipping available from Scottsville, KY. Suzuki, on the other hand, doesn’t have that number of die-heart fans, which can be the reason why people don’t know much about Suzuki outboard motors. You may need to make a few timing adjustments or replace a spark plug, or you may need serious mechanical inquiry. Veteran Posts: 105 (75.90.13.193) Wrenchin, i put in the new plugs after fogging, and then just to be sure new plugs after the problem showed up, so 2 new sets of new plugs. After a quick run out to about a quarter-mile and back on my own it was time to pick up my partner then begin the 2nd hour of the running period. or Best Offer. From China +C $50.74 shipping. Yamaha Propeller Families. By: James Kelly on . Suzuki 4 Stroke Outboard Vs Yamaha. 140-150 psi compression on all 4 cylinders. Increase hose water pressure enough to maintain a bit of squirting out from under the flush muffs at all times while the Participant. 150 mercury efi two stroke issue 2008 150 efi starts right … C $252.47. Hi all, I was on Mille Lacs this last weekend and my T8 started running rough and not wanting to idle. Weight - 356 lbs. At initial start-up, everything runs fine. Each had unique engineering specs, power capabilities and intended uses. My 1997 Yamaha 9.9 outboard was running fine. Turned it off for a few minutes and it started hard. Clean Used 2001 Yamaha 80 HP 4 Cylinder Carbureted 4 Stroke 20" Outboard Motor. If your outboard engine is sputtering at any speed, idle or full throttle, it could be the result of several common malfunctions. I have always admired the Yamaha OX66 engine because it seems to be one of the only outboard engines with fuel injection that used a closed loop feedback system and an oxygen sensor in the exhaust. Conquer water with Yamaha 4-stroke Outboard Motors - PEAK PERFORMANCE ON THE WATER. Runs good on all cylinders. I got a 2003 Yamaha 50 on a 16ft seaark. It's not missing or running rough at all. However, a few run counter-clockwise, especially in dual outboard setups in which one motor runs clockwise, and the other runs counter-clockwise for better balance. Flywheel cover and ID tag are missing. And, we want to stress one more time - because it makes such a huge difference to the entire boating experience - the motor is practically silent at idle and is just as quiet as an outboard can be when running full-tilt. Thread starter BLOODBROTHER; Start date Jun 8, 2020; Jun 8, 2020 #1 BLOODBROTHER Twelve Pointer. 2003 Yamaha 200 HPDI. In this lean condition, the engine computer monitors an oxygen sensor in the exhaust, a knock sensor and cylinder temperature to constantly adjust the fuel/air ratio to prevent engine damage from an over-lean condition. We took the boat out one afternoon and we were idling and motor just shut off. First off, the batteries are mounted forward in the boat so the battery cables are really long and I think that this may be the problem. Runs great wide open. 03-21-2015, 05:08 PM. Mercury Outboard Rough Idle: Causes and Cure. NOTHING!!!! I was able to get it to troll well enough to pull cranks for a few hours on Friday … Boat manufacturers and importers of genuine Yamaha Products including outboard … This morning at daylight, launched the boat, engine is a little cold natured but after 5 minutes everything seemed normal. Show Less. If the motor runs rough when operating a high speeds, and if the motor smooths out when you squeeze the bulb, replace the fuel filters, clean out the fuel lines and repeat the test. People are well aware of Yamaha. Can a Bad F225TXRA Inline Fuel Filter Cause Rough Idle or No Start? View Full Version : Yamaha 40 hp 2 stroke, 80's outboard running rough. 2020 Yamaha Marine F20CONQUER WATER The F20 features all the benefits of a reliable Yamaha 4-stroke outboard in a compact, lightweight and portable package that rivals any 2-stroke. 4 were here. Outboard motor designs vary depending on make and model, but all operate on similar principles. When an outboard motor runs at speed but cannot hold an idle, it usually indicates a problem with the carburetor. Will An Outboard Run With Low Compression. Most manuals come with a troubleshooting guide specific to the product. Electric Start. Yamaha outboard motors: service repair manuals PDF. Yamaha outboard motor 9.9HP 15HP 2 STROKE TOP Cowling Cover Hood 1996-2006 later. My 2005 [Mercury 60-HP FOURSTROKE Bigfoot EFI outboard engine] runs rough, stutters, quivers, quakes, and shimmies intermittently between 900- and 1,800-RPM. The Lean Burn Control works in just the opposite manner, leaning out the fuel/air mixture when the boat is running at a steady speed to achieve optimal fuel economy. Power Tilt. Have just purchased a Quintrex explorer 390, Yamaha 30CV outboard package, Have run 2 tanks of 25:1 pre mix fuel through it with very little smoke and are now starting to run it on 100:1. Issues starting, idle is rough and runs really rough when riding along between 2000 & 3000 RPM, at this speed (2k-3k RPM) it sounds like a cylinder kicks in and out. Almost gone. S p o n s o r e d. Electric Start Motor Kit For Yamaha Outboard 2 Stroke 9.9HP 15HP 18HP Flywheel. Yamaha owners get something that can’t be measured in HP or RPM—legendary Yamaha reliability. The final factor for most folks is going to be price. Recently changed the spark plugs; #3 seemed to be fouled, but the other 3 looked good. Hello. Then it wouldn't crank back up, … Yamaha 50 runs but no power, won't plane Posted by KentuckyArcher on 8/25/12 at 9:16 am. I have a Yamaha 40hp 2 stroke (3 cyl) engine from early 80's somewhere. Yamaha T8 kicker running rough. Yamaha offers consumers great variety with its four-stroke outboard motor lineup. Rochester, MN. Yes, an outboard will run for a little while with low compression. Yamaha & Suzuki Outboards . I put it in the water and it fired and ran perfect for a few minutes then started really running rough and had no power. There are no numbers on the engine, so I'm not sure what model exactly. Check out our selection of XTO Offshore, High Power, Mid Power, Portable, Vmax SHO, High Thrust and Jet Drive Outboard Motors. running rough ... 05 yamaha 150 four-stroke started running rough and lost power. Issue with 2001 Yamaha f50 outboard. The Intermittent Rough Running Yamaha 9.9HP 4-Stroke Problem My 1992 Yamaha 9.9HP 4-stroke outboard has had what sounds like the same mysterious symptoms lately. Yamaha offers a popular line of four-cylinder four-stroke outboards that are used in a wide range of single and twin installation applications, in both fresh and saltwater, all over the world. 0 0. Turned it off and tried to start it. 12 September 2019. Most Yamaha outboard owners only replace the VST fuel filter at the time dictated by the service manual. We shut it down and fished for a bit … Idle Setting. Weight - 305 lbs. Before the boat season ended the engine ran very rough. 28 sold. 5L Carb. Any thoughts on what to check for? My outboard motor (50hp 2 stroke mercury) was running like crap, it would start I could get away from the dock about 75 yards and quit. buckshot. Proceeded to idle down the pearl river and went to open in up . … Have no fear, you've come to the right place. See and compare our selection of lightweight and powerful Yamaha Portable Outboard Motors for quality, reliability, and confidence on the water. Just a couple weeks ago it was running good, no kinks or holes in the gas line. Top Rated Seller Top Rated Seller. runs rough can be a host of thigs from cheap to very expensive. C $506.21 . If you are looking for the ultimate in reliable, compact and efficient portable power for your boat, the F20 will deliver you many years of hassle-free performance. Model number F80TLRZ. PLEASE HELP. At wide-open throttle, we were burning about nine gph while running at close to 40 mph. Would only start if I gave it full throttle and would stall unless I throttled way up. Brand New. look at the oil pump control arm, it should be a 60VD4 I believe, if not there is an update. The all-new Yamaha V8 XTO Offshore® carries on that tradition. Idle air controller [has already been] changed, and [the spark] plugs [were] changed within 20 hours. Ask Your Own Boat Question. 05 yamaha 150 4-stroke 4cyl. - Boat Show More. Squeeze the fuel primer bulb while the motor is running. If the results are the same, replace the fuel pump; if not, continue your boating activity. I need help getting the carb clean and the engine running right again. From pontoons to center consoles, bass boats to work skiffs and even water taxis, they are great performers and real workhorses. Check While Running. Especially on idle, but it also made some noises in higher RPM's too. Is your engine running a little rough? In my case, it seems like one cylinder is firing all the time, but one cylinder is cutting in and out sometimes. Brand New. Share this … Consult your owner's manual to check items that may be unique to your motor. Boats.net takes all the frustration out of maintenance and repairs by carrying all the OEM Yamaha outboard parts for your 1990 Yamaha outboard engine. In 2011 alone, the company featured 10 different four-stroke makes with dozens of different models. Yamaha running intermittently rough. or Best Offer. Posts: 1,651. I have cleaned the carburetor twice, but not removed the junk yet. Re: yamaha 300 hpdi runs rough compression should be within 10 PSI on all cylinders. Here are all of the things that you need to know about low compression on an outboard engine, what they mean, and how they affect the running of the engine! Subject: Re: yamaha 90hp outboard rough running ? The next day it started hard but was ok at idle for a few minutes. For more than 30 years, Yamaha Outboards have delivered far more than superior power, performance and efficiency. September 21, 2010 at 3:45 pm #1269037. [At] higher [engine speed] it runs fine. 30 hp 2 stroke yamaha outboard. Make sure your selected prop is designed for the correct rotation. If the compression is too low though, it will not run at all. Having a hard time finding the parts you need to fix it up? My Yamaha F-25 outboard is running rough and has very poor… My Yamaha F-25 outboard is... My Yamaha F-25 outboard is running rough and has very poor acceleration. We did a great run 80+ km up the Murray river to run it in had no problem with starting, idling or after a short while running it at full plain. I can run the outboard for 2-3 hours with no loss of speed or power, but if I shut the motor down or if it runs out of gas, I will have to wait for 20-30 minutes before it will restart. Top Rated Seller Top Rated Seller. Benji91.

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