10.CRANKCASE/CRANKSHAFT/TRANS- MISSION SYSTEM/STARTER SPINDLE STRYKER 125/150 Balance Shaft BALANCE SHAFT REMOVAL. Remove the balance shaft assembly. INSPECTION Inspect the balance shaft for deformation and damaged grooves. Measure the balance shaft O.D.. Service Limits: Left : 16.924mm Right : 16.924mm Right Left BALANCE SHAFT BEARING REPLACEMENT Remove the balance shaft bearing from the right crankcase halves using the following tools. Drive in new bearings using a bearing driver. · Apply engine oil to the bearing before installation. · Drive in bearings squarely. Countershaft Main Shaft TRANSMISSION GEARS/ CRANKSHAFT REMOVAL Remove the transmission main shaft and countershaft from the right crankcase. When removing, the transmission gears must be removed as a set. Remove the crankshaft. Disassemble the main shaft and countershaft. 10-6