Low RPM, Vibration
Posted 07 July 2007 - 09:39 PM
Also at idle to about 1500 RPM's the engine is extremely rough. Very shaky like a cam with a lot of overlap in a car. So if all the cylinders are firing, maybe something else is off balance like a bad impeller? Would this also slow the engine and boat down?
Posted 09 July 2007 - 09:38 PM
Posted 11 July 2007 - 08:23 PM
Also, how should spark plugs look in this 2 stroke. They always have a black film of oil on them but that normal, correct? I don't smell raw fuel.
The easiest thing to do would be to pull all plugs ,keep them in order . compare to each other , you will be looking for one(s) wet with fuel. If one or more are not firing they will give u rough idle / poor performance. Yes,a worn wear ring or damaged impeller will cause cavitation and poor performance.
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