2006 Honda TRX680 Rincon Factory Service Manual, Page 291Get this manual
DRIVETRAIN SYSTEM 3Vehicle Test-riding Test-ride the vehicle with the mode select switch at ESPCheck for engine braking with the transmission in the 2nd and 3rd rangesIs there engine braking with the transmission in any range except 1st? YES NOFaulty 1st shift clutch system (page I486)Hydraulic circuit malfunction is the likely causeCheck the oil pressure (page 14-12)
Engine Stalls When Accelerating 1Vehicle Creep Check NOTE: Perform this test after engine idle speed inspection (page 6-55)Start the engineShift the sub-transmission in drive position with the brake appliedWait several secondsRelease the brake and check the vehicle conditionDoes the vehicle creep? YESPerform the inspection "Vehicle creeps when idling" on while applying the brake in the same manner as above (page 14-8)- Hydraulic circuit malfunction is the likely causeCheck the oil pressure (page 14-12)