1971 Johnson 4HP Outboard Motors Service Repair Manual P/N JM-7102, Page 16Get this manual

1971 Johnson 4HP Outboard Motors Service Repair Manual P/N JM-7102, Page 16

Quality of the image is intentionally reduced!

LEAF VALVES The leaf valves time the il1jection of the fuel mixture il1to the ks l1ig wl1 the pressure the ks has dropped to predetermined poil1t the compression strokeSee Figur 3-1 The carburetor is