1986-1987 Honda Fortrax TRX70 Service Manual, Page 128Get this manual
REAR WHEELBRAKE DRIVE MECHANISM INSPECTION Inspect the driven sprocket for wear, or damage Replace jf necessary
Separate the driven sprocket from the housing and inspect the damper rubbers or damage or deteriorationsReplace if necessary
(11 DRIVEN SPROCKET
121 DAMPER
RUBBERS
Place the rear 8xle in -blocks and measure the runout