Honda CRF450R 2009 Service Manual page 346

CRANKCASE/CRANKSHAFTITRANSMISSION/BALANCER
13-18
SHIFT FORK SHAFT
Check the shift fork shafts for abnormal wear or , - - - - - - - - - - - -- -- - - ,
deformation.
Measure the shift. fork shaft 0 .0 .
SERVICE LIMITS:
Center:
10.96
mm
(0.431
In)
Righi and left:
11 .95
mm
(0.470
in)
GEARSHIFT DRUM
Inspect the gearshift drum for scoring, scratches or , - - - - - - - - - - - - - - - - - ,
evidence of insufficient lubrication.
Check. the gearshift drum grooves for abnormal wear or
damage.
Replace it if necessary.
TRANSMISSION BEARING
Tum the inner race of each bearing with your finger.
The bearings should turn smoothly and quietly.
Also check that the bearing outer race fit tightly in the
crankcase.
Replace the bearings if necessary (page 13-26).
ASSEMBLY
DRUM
Apply molybdenum oil solution to the mainshaft and , - - - - - - - - - - - - - - - - - ,
countershaft spline area and transmission gear sliding
surface.
Assemble aU parts into their original positions.
Check the gears for freedom of movement or
rolation on the shaft.
Install the washers and snap rings with the
chamfered edge facing the thrust toad side. Confirm
the inner side of snap rings and washer when you
detecllhe chamfered side.
Do
nol reuse worn snap ring which could easily spin
in the groove.
Check that the snap rings are seated in the shaft
CORRECT
INCORRECT
grooves, and align their end gaps with the grooves L _ _ _ _ _ _ _ S_ N _ A _ P _R _'_ N _ G _ _ _ _ _ _ _ --'
of the spline.