1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 66Get this manual
COOLING SYSTEM Install the oil hose clamp and guardTighten the bolts securelyFill the crankcase with the recommended oil (page 2-2) Start the engine and make sure there are no oil leaks
COOLING FAN
REMOVAL
Remove the front fender (page 6- )Disconnect the cooling fan wire connectorsRemove the oil cooler mounting bolts and move the oil cooler upward