10.FINAL REDUCTION/ TRANSMISSION SYSTEM MXU 250R/300R Countershaft Remove the washer. Countershaft Inspect the teeth, spline grooves and sliding surfaces for abnormal wear or damage. ASSEMBLY Clean all parts in solvent. Washer Apply molybdenum oil solution to the gear and sliding surface and shift fork grooves to ensure initial lubrication. Reverse the "COUNTERSHAFT DISASSEMBLYN" procedures to assemble all parts into their original positions. Check the gears for freedom of movement or rotation of the countershaft. Install the snap rings with the chamfered edges facing the thrust load side. Do not reuse a worn snap ring which could easily spin in the groove. Check that the snap ring are seated in the grooves and align their end gaps with the grooves of the spline. High Gear Clutch Dog Washer Low Drive Gear Washer Washer Snap Ring High Drive Gear Counter Gear Countershaft 10-33