10. CRANKCASE/CRANKSHAFT/KICK STARTER/TRANSMISSION K-PIPE 50 Install the main shaft, countershaft and shift drum as an assembly. Install the kick starter spindle (page 10-6) CRANKCASE BEARING REPLACEMENT Remove the oil pump drive shaft and drive sprocket. LEFT CRANKCASE Bearing Oil Seal Remove the countershaft oil seal. Drive the countershaft bearing out of the left crankcase. BEARING REPLACEMENT Bearings Bearing Remover Remove the main shaft and countershaft bearings from the left and right crankcase halves using the following tools. Special Bearing Remover Bearing Remover Block Bearing Remover Block 10-10