Honda VT750C2 Shadow Spirit Service Manual page 281

CRANKSHAFT/TRANSMISSION
Remove the dowel pin, shim and O-ring from the
bearing holder.
Select the replacement shim (page 13-33).
Coat a new O-ring with engine oil and install it into
the bearing holder groove.
Install the dowel pin and shim.
Install the drive gear assembly into the gear case
and tighten the bolts (page 13-44),
Recheck the backlash (page 13-32).
After backlash adjustment has been made, check
the gear tooth contact pattern as described below.
SHIM
DOWEL PIN
GEAR TOOTH CONTACT PATTERN CHECK
O-RING
fI"7I
Description of the tooth:
COAST SIDE
(contacts when engine brake is applied)
----- ­
DRIVE SIDE
(contacts when engine power is applied)
Remove the drive gear assembly from the gear case
DRIVEN GEAR TEETH
(page 13-33).
Apply a thin coat of Prussian Blue to the output
driven gear teeth.
Reinstall the drive gear with the shim.
Rotate the drive gear shaft several times in the nor­
mal direction of rotation.
Remove the drive gear assembly and check the gear
tooth contact pattern.
Contact is normal if Prussian Blue is transferred to
the approximate center of each tooth and slightly to
the toe.
If the pattern is not correct, remove and replace the
output driven gear shim.
SHIM HEEL
--
TOE _ HEEL
FACE
t~
~t
FLANK ..
13-34