H1057B78H, H1057H78H 1978 GEAR HOUSING LUBRICATION CHART MOTOR LEG POWER HEAD REMOTE CONTROL SPECIAL ADJUSTMENTS SPECIAL TOOLS - GEAR HOUSING SPECIAL TOOLS - POWER HEAD SPECIAL TOOLS - TEST EQUIPMENT SPECIAL TOOLS - TUNE-UP ACCESSORIES SPECIFICATIONS CARBURETOR CRANKSHAFT AND PISTON GROUP DISTRIBUTOR ELECTRIC STARTER ELECTRICAL COMPONENTS ENGINE COVER AND SUPPORT PLATE FUEL PUMP AND REED PLATE FUEL TANK AND LINE