1-3 Longitudinal sectional view 402502 1-Rocker cover 10-Connecting rod 19-Tappet 2- Thermostat case 11-Cran kshaft pu lIey 20-Camshaft 3-Thermostat 12-Crankshaft gear 21-Crankshaft 4-Exhaust valve 13-Timing gear case 22-Flywheel 5-lntake valve 14-Rocker shaft bracket 23-Flywheel housing 6-Water pump 15-Rocker shaft 24-0il strainer 7-Piston 16-Valve push rod 25-0il pan 9-Fan 18-Cran kcase 8-Camshaft gear 17-Cylinder head 26-Drain plug -3-