1979 V6 150-235 HP Johnson Outboards Service Repair Manual P/N JM-7910, Page 27Get this manual

1979 V6 150-235 HP Johnson Outboards Service Repair Manual P/N JM-7910, Page 27

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LEAF VALVES The leaf valves time the injection of the fuel mixture into the crankcase opening only when the pressure in the crankcase has dropped to predetermined point the compression strokeThe leaf