Honda TRX450R Service Manual page 336

CRANKCASE/TRANSMISSION/CRANKSHAFT/BALANCER (After '05)
Measure the connecting rod big end side clearance.
SERVICE LIMIT: 0.75 mm (0.030 in)
FEELER GAUGE
Measure the connecting rod big end radial clear-
ance.
SERVICE LIMIT: 0.05 mm (0.002 in)
INSTALLATION
Coat the oil seal contacting surface of the crankshaft
with oil.
Apply grease to a new crankshaft oil seal lip and
install it into the left crankcase.
Install the crankshaft into the left crankcase.
Install the transmission (page 16-15).
Assemble the crankcase halves (page 16-25).
CRANKSHAFT LEFT CRANKCASE
16-18