1976 Johnson 4HP 4R76, 4W76 Outboards Service Repair Manual P/N JM-7603, Page 8Get this manual
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CLEARANCE CHART POWER HEAD Piston ring gap Piston ringgroove Cylinder and piston CrankshaftUpperCenterLower Connecting rodPiston endCrankshaft end LOWER UNIT Weedless Stal1da rd Pil1ionBushing
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