63P3F11 1-12123456789Cooling systemThe cooling water flow diagram is as follows.To cool the propeller damper, the cooling system is designed so that fresh cooling water is taken infrom the front of the trim tab and supplied to the exhaust passage of the lower case to cool theexhaust gas.Cooling water also accumulates around the exhaust muffler to cool the upper case and reduceexhaust noise.1 Exhaust manifold2 Muffler3 Exhaust gas4 WaterÈ WaterS63P1170ThermostatCylinder blockCylinder headCylinder blockExhaust coverExhaust guideOil panWater pumpWater inletSea / River / LakePressure control valveUpper caseLower casePropeller bossTrim tabCooling water pilot holeFuel cooler: È1234Features and benefits
