2010-2012 PRO-RIDE RUSH Switchback RMK Service Manual, Page 198Get this manual
Final DriveBrake System 18Loosen the chain adjuster screwRemove the tensioner pad, upper and lower gears, and chain
GEARSCHAIN O-RING
SEAL SLEEVE
12Remove the cover fasteners13Carefully remove the coverUse flat blade screwdriver at the pry points to aid removalPRY POINT
Chaincase Assembly
1Thoroughly clean the chaincase, gears, and chain2Inspect the tensioner pad for damageReplace if excessive wear is evident3Install the gears and chain as set4Install the lower gear screw and beveled washerVerify the beveled washer is installed dome side out5Torque screw to specification
PRY POINT COVER
Lower Gear Fastener: 29 ft-lb (40 Nm) 6Rotate the driven clutch forward to move all of the chain slack to the tensioner side7Install the chain tensionerTighten the tensioner screw until there is 18" (3.175mm) chain deflection on the backside of the drive chain8Verify the tensioner screw washer is seated against the chaincase, and then torque the tensioner screw jam nut to specification