1979 Evinrude Outboard V-6 Models Service Repair Manual Item No. 5431, Page 27Get this manual

1979 Evinrude Outboard V-6 Models Service Repair Manual Item No. 5431, Page 27

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LEAF VALVES The leaf valves time the injection of the fuel mixtul'e into the crankcase opening only when the pressure in the crankcase has dropped to dt' mid point the compression strokeThe leaf is so