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1990 V4 small taper/large taper compatibility

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  • 1990 V4 small taper/large taper compatibility

    Hello

    May I ask a question about an old V4 Yamaha. Can a small taper 130hp engine be rebuilt using a large taper crankshaft and flywheel? Do the older stator and trigger work with the large taper flywheel? Is there something else that should be considered? The oil pump will be removed so if the worm gears are different that will not matter.

    Can someone help me with this, please.

    Thanks, JJ
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