2006 Honda TRX680 Rincon Factory Service Manual, Page 266Get this manual
SUB-TRANSMISSIONGEARSHIFT LINKAGE Install the gear shaft with the washer into the crank- case'UULLAM Install the idle gear (16T) onto the gear collar and install them onto the gear shaft
Install the idle gear (25T) and washerInstall the rear crankcase cover (page 12-5)
GEAR SELECTOR LEVER LINKAGE
DISASSEMBLY
Remove the fuel tank (page 6-39)Loosen the pivot nut and remove the following: return spring pinch bolt selector arm levershaft assembly (from the pivot pipe) PIVOT NUT AND BOLT