1971 Johnson 4HP Outboard Motors Service Repair Manual P/N JM-7102, Page 8Get this manual
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CLEARANCE CHART POWER HEAD Piston ring gap
.0020 .0055 .0020
- .0005 Mil1.003 Propeller Geal' Case
ushig l1
- .0008 Mil1
TORQUE CHART
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