11.FINAL REDUCTION/ TRANSMISSION SYSTEM (MXU 50 REVERSE) ATV 50 Inspect shift shaft gear. Shift Shaft Damage Replace. Inspect shift shaft. Damage/bends/wear Replace. Shift Shaft Gear Primary Drive Axle Cover Washer Remove three bolts from primary drive axle cover. Remove the primary drive axle cover, dowel pins and washer. Dowel Pin Bolts Dowel Pin Main Axle Remove the main axle. 11-10