1979 Johnson Outboards V-4 Models Factory OEM Service Repair Manual P/N JM-7909, Page 92Get this manual

1979 Johnson Outboards V-4 Models Factory OEM Service Repair Manual P/N JM-7909, Page 92

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With continued operation 01 the motor, the cylinder walls will take glaze which reduces the effectiveness 01 the seal between the piston rings and cylinder wallsThe result will duced compression and d