CRANKSHAFT/PISTON V45 CRANKSHAFT INSTALLATION Install the main bearings into the upper crankcase. Apply molybdenum disulfide grease to the upper and lower main bearings. Install the crankshaft with the cam chain. 20 mm OR MORE TOP SECOND SIDE RAIL SPACER SIDE RAIL 20 item OR MORE GAP PISTON AND ROD INSTALLATION Clean the piston domes, ring lands, and skirts. Carefully install the piston rings onto the piston. Stagger the ring end gaps as shown. NOTE: Be careful not to damage the piston and piston rings during assembly. All rings should be installed with the markings facing up. After installing the rings they should rotate freely, without sticking. 12-12 178 Date of Issue: October, 1982 0 HONDA MOTOR CO., LTD.