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    1991 YAM 250TURP IGNITION

    Ok, I posted this three months ago and still have not been able to figure this out. Keep in mind, I've rebuild just about every kind of gasoline combustion engine you can imagine, automotive, marine, lawn mowers, chain saws, the small cox toy engines, even the big detroit 671 diesels - I've...
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    Yamaha 1991 250 pulse coil bad

    I have a Yamaha 250TURP (1991) on a 23' 1975 SEARAY, the engine RPM drops to 4200 after getting on plain from 5300 when full throttling from idle (and it gets on plain FAST when doing this), of coarse causing the boat to slow, if I ease into it (from idle), it eventually hits 4200, but no...
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