Honda TRX450R Service Manual page 313

CRANKCASE/TRANSMISSION/CRANKSHAFT/BALANCER ('04 - '05)
Drive new mainshaft and countershaft bearings into
the left crankcase with the markings facing up,
using the special tools.
DRIVER
TOOLS:
Mainshaft bearing:
Driver
Attachment, 37 x 40 mm
Pilot, 17 mm
Countershaft bearing:
Driver
Attachment, 52 x 55 mm
07749-0010000
07746-0010200
07746-0040400
07749-0010000
07746-0010400
Apply locking agent to the set plate screw threads.
Install the countershaft bearing set plates and
tighten the screws securely.
Apply grease to a new countershaft oil seal lip and
install it into the left crankcase.
Press a new balancer shaft needle bearing into the
left crankcase using the special tools.
TOOLS:
Driver
Attachment, 32 x 35 mm
Pilot, 20 mm
07749-0010000
07746-0010100
07746-0040500
Apply grease to a new balancer shaft oil seal lip and
install it into the left crankcase.
COUNTERSHAFI BLARING
BALANCER SHAFT NEEDLE BEARING
15-22