1975 Johnson 4HP 4R75, 4W75 Outboards Service Repair Manual P/N JM-7503, Page 8Get this manual

1975 Johnson 4HP 4R75, 4W75 Outboards Service Repair Manual P/N JM-7503, Page 8

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CLEARANCE CHART POWER HEAD iston ring gap Piston ringoove Cylinder and piston CrankshaftUppCe nteLowe Connecting odPiston endCra nks haft end LOWER UNIT Weedless Sta nda rd PinionBushing In Gear Case