There is a vent on the side of the motor, wh ich helps keep the crank case
pressure down. On most B and S motors, it is about an inch wide, and three
inches tall. Two small bolts (5/16 wrench) hold the vent on.
Take this off (careful, the gasket under it) and clean it out with solvent.
Let us know if it still leaks.
Christopher A. Young
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