2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 272Get this manual
TRANSMISSION
GEAR SHIFT SELECTOR DISASSEMBLY, CONT2Carefully pull the gear shift selector cover and rod from the gear shift selector body3Set the coverrod assembly aside4Remove the three springs from gear shift selector5Slowly tilt gear shift selector body sideways to drain oilNOTE: Do not tip gear shift selector body upside down or detent bullets and stop pin may fall outCheck for signs of moisture in the selector bodyInspect shift boot closely if moisture is present in selector box6Tap gear shift selector body, top down, against hard, smooth, flat surface to jar the dowel pin and two detent bullets loosePull the detent bullets and the dowel pin out of the gear shift selector body7Remove the two slides, one at timeNOTE: The LH (low) slide has two short notches and the RH (highrev) slide has one short and one long notchThe slides must be replaced in the proper channels8Inspect O-rings for damageReplace if any damage is found9Flush housing with parts washer fluid or penetrating oil to remove all moisture10Dry all gear shift selector parts and remove any corrosion with wire brushClamp Cap Screw Knob