1971 Johnson 2R71 2HP outboards Service Repair Manual P/N JM-7101, Page 32Get this manual

1971 Johnson 2R71 2HP outboards Service Repair Manual P/N JM-7101, Page 32

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DESCRIPlON
THEORY OF

OPERAlON

Two-cycle engines used outboard motors require only two piston strokes, down, to effect crankshaft revolution and to complete the exhaust-

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