10. CRANKCASE/CRANKSHAFT/KICK STARTER/TRANSMISSION K-PIPE 125 Main shaft Bearing Counter Bearing Drive in new bearings using a bearing installer. · Apply engine oil to the bearings before installation. · Drive in bearings squarely. Special Bearing installer Countershaft Oil Seal Install a new's left countershaft oil seal in the left crankcase and grease the oil seal lip. Counter Bearing Main shaft Bearing RIGHT CRANKCASE Drive the mainshaft and countershaft bearings out of the right crankcase. Counter Bearing Main shaft Bearing Drive in new bearings using a bearing installer. · Apply engine oil to the bearings before installation. · Drive in bearings squarely. Special Bearing Driver 10-11