10. FINAL REDUCTION (MXU 50/MX'ER 50) ATV 50 Dowel Pins Install the countershaft and gear into the left crankcase. Install the resin washer onto the counter- shaft. Install the dowel pins and a new gasket. Resin Washer Countershaft Install the transmission case cover. Transmission Case Cover Bolts Install and tighten the transmission case cover bolts. Install the clutch/driven pulley. ( 9-17) Install other removed parts in the reverse order of removal. 10-7