when shaving an old style yamaha 50 head is it necessary to mill out some relief for the domed piston or does the gasket give enough clearance between the head and piston? i think it is called the squish band
when shaving an old style yamaha 50 head is it necessary to mill out some relief for the domed piston or does the gasket give enough clearance between the head and piston? i think it is called the squish band
yes you will need to recess the humps and surounding ledge back to there simular angle or piston will hit .
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