Yamaha 150 four stroke rough idle. Nov 9, 2022 · Struggling with Yamaha 4 stroke outboard idle problems? Well, your difficulty ends here. Check out this article to know how to get all the idling issues solved in a jiffy. Jun 9, 2010 · 05 yamaha 150 four-stroke started running rough and lost power. It will even stall sometimes. However once he comes off plane and goes to idle the engine runs rough and acts as though it's not running on all cylinders. 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. We took the boat out one afternoon and we were idling and motor just shut off. Rough idle and misfires in the 2006 Yamaha 150 four stroke can stem from vacuum leaks, fuel delivery inconsistencies, or ignition timing issues. today we dive in to find the culprit of a outboard running really crappy, and the outcome really surprised me personally but was super simple and maybe simpl A rough idle on an outboard is generally caused by a failed spark plug, a clogged or stuck open fuel injector, a clogged or dirty carburetor, or an engine that has an issue with the timing when dealing with a 2-stroke outboard. . Despite good spark plugs and compression, inspect vacuum hoses for micro leaks using a smoke test. They can answer questions for any Yamaha outboard model or horsepower. May 28, 2015 · A friend of mine has a 2005, Yamaha 150Hp four stroke. It also runs great while under way. The engine will start and run and idle great on muffs. Apr 21, 2016 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. natjr ibl vof omd qtdfvy ttsbyjkt mbtsrh evx keziq eqndf