H0252H77B, H0253H77B, H0256H77A, H0257H77A 1977 LUBRICATION CHART Parts catalog : HAND STARTER GEAR HOUSING FUEL TANK AND LINE FUEL PUMP ENGINE COVER AND SUPPORT PLATE (MANUAL START MODELS) ENGINE COVER AND SUPPORT PLATE (ELECTRIC START) MAGNETO MOTOR LEG POWER HEAD REED PLATE SPECIAL ADJUSTMENTS SPECIAL TOOLS - LOWER UNIT