1979 Johnson Outboards V-4 Models Factory OEM Service Repair Manual P/N JM-7909, Page 82Get this manual

1979 Johnson Outboards V-4 Models Factory OEM Service Repair Manual P/N JM-7909, Page 82

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fInspect' cylinder walls, pistons and piston ringsPiston rings mustfree in their ring groovesCheck for scuffing, scoring and damage caused overheating, lack of lubrication broken piston ringsUse insid