1. General 1. General 1.1 Exterior views Operating Side Intake silencer Intake manifold Oil filler cap Fuel filter Fuel injection pump Dipstick Oil filler cap Fuel feed pump Lubricating oil filter Marine gear Non-Operating Side Engine name plate (on the rocker arm cover) Fresh water filler cap Coolant tank / Heat exchanger Cover Exhaust manifold Starter motor Shift lever Sea water pump Alternator V-belt This illustration shows the 3YM30 with Yanmar marine gear (Model:KM2P-1). 1R1