1979 Johnson Outboards V-4 Models Factory OEM Service Repair Manual P/N JM-7909, Page 96Get this manual

1979 Johnson Outboards V-4 Models Factory OEM Service Repair Manual P/N JM-7909, Page 96

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Check piston with micrometer to determine whether piston has distorted during assembIyIf piston is than 0.004" (0.10out of round, replace piston 1.0il hole

Insert wrist pin through slip f