2006 Honda TRX680 Rincon Factory Service Manual, Page 56Get this manual
TECHNICAL FEATURES Riding in 2nd range Gear position 2nd gear AT Clutch PC Solenoid OFF Shift Solenoid OFF OFF 1st Shift Clutch 2nd "Engaged" 3rd -
The hydraulic passage is connected to supply hydraulic oil to the 2nd shift clutchOil is supplied by way of: AT clutch PC solenoid valve 1-2 Shift valve 2-3 Shift valve 2nd Shift clutch(Oil is drained by way of: 1st Shift clutch1-2 Shift valve2nd Orifice control valve= 3rd Shift clutch d 2-3 Shift valve) When shifting from 1st to 2nd position, the draining volume of the 1st clutch hydraulic oil is controlled by the ordinary orifice and the 2nd orifice control valve to reduce shift shock When the PCM detects system failure (fail-safe mode), the hydraulic passage is the same as above(Therefore, the vehicle can be ridden only in the 2nd-hold mode and creeping can occur at idle)