1 1 . SPROCKET REPLACEMENT
REPLACING REAR SPROCKET
To remove the rear sprocket, first remove the rear
axle,
then take off the entire rear wheel Remove
six rear sprocket nuts from the wheel
Tightening torque:
Rear sprocket nut
10 mm: 40 - 60 N°rrt (4.0 - 6,0 kg-m)
REPLACING ENGINE SPROCKET
• Remove the under cowl
• Remove the gearshift link arm bolt and detach
the gearshift link arm from the gearshift shaft.
• Remove the sprocket cover by loosening four
attaching bolts.
• Remove the circlip from the shaft and pull out
the sprocket.
• Replace the sprocket with one provided in this
kit.
NOTE:
When installing the sprocket and circlip, make
sure they are positioned correctly as shown in
the illustration.
NOTE:
Engine sprockets of 13 — 16 teeth and rear
sprockets of 37 — 45 teeth are optionally
available. Select the most suitable number
according to your local race track condition.
ADJUSTING DRIVE CHAIN
Adjust the drive chain so that the sag is between
15 — 25 mm when measured at the mid point be-
tween the two sprockets. To adjust, loosen the axle
shaft ® and turn the chain adjuster© .
The chain adjustment should be made while
also adjusting the wheel alignment.
Tightening torque:
Rear axle nut: 55 - 88 Mm (5.5 - 8.8 kg-m)
Chain adjuster lock nut: 10-16 N-m
(1.0-
1.6 kg-m)
Lock nut
Rear sprocket
/
ear wheel
Engine sprocket
Circlip
Rounded edge
should face
the engine
(inside)
CIRCLIP INSTALLATION
Installing direction
of circlip
Round edge side
M^
•25-
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