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Old 08-20-2012
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Re: Yanmar 2GMF problems

How is the performance of the engine when in neutral? Does it rev freely? (Is this an engine or a drivetrain problem?)

Have you checked the throttle wire to make sure there is no catch?

Have you checked the idle adjustment/throttle limiting adjustment?

Have you checked the alternator belt? Can you rotate the belt with the engine off? Will it rotate when you remove the alternator? (If it is a bad alternator, I suspect you could replace it yourself).

Is the stuffing box/shaft seal/stern tube o.k?

How do you know about the barnacles on the propeller shaft? Did you haul the boat out?

Last edited by jameswilson29; 08-20-2012 at 09:13 AM.
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