12. COOLING SYSTEM DINK50/ 125 Impeller (Left Hand Threads) Install the impeller onto the water pump shaft. Torque: 1.2 kgf-m (12 N-m, 9 lbf-ft) The impeller has left hand threads. Dowel Pins Install the two dowel pins and a new gasket. Gasket Water Pump Cover Install the water pump cover and tighten the 4 bolts. Torque: 1 kgf-m (10 N-m, 7 lbf-ft) Bolt 12-17