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    Specs needed on Yamaha 30hp 1984 outboard.

    Does anyone have a service manual on a Yamaha 30hp outboard 1984 model? I need some specs if you could help me please? Also, can the walls of the cylinders be measured between the ring and the head of the piston as a "no wear" spec since the rings never go all the way to the top? <br /><br...
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