2006 Honda TRX680 Rincon Factory Service Manual, Page 262Get this manual
SUB-TRANSMISSIONGEARSHIFT LINKAGE washer output shaft (while holding the driven gear) output driven gear
OUTPUT SHAFT Remove the washers on the shaft ends with screwdriver and disassemble the countershaft
INSPECTION
COUNTERSHAFT Check the gear dogs and teeth for abnormal wear or damageCheck the gear shifter for smooth operationCheck the gear shifter groove, dogs and splines for abnormal wear or damageCheck the counter shaft and bearings for abnormal wear or damageSHIFTER COUNTERSHAFT