Rear Sprocket Removal
Remove the rear wheel (see Wheels/Tires chapter).
Unscrew the rear sprocket bolts [A], and remove the rear sprocket
Rear Sprocket Installation
Install the rear sprocket facing the tooth number making [A] outward.
Tighten the rear sprocket nuts.
Tightening Torque - Rear Sprocket Nut: 34 N
Install the rear wheel.
Sprocket Wear Inspection
Refer to Sprocket Wear Inspection in the Periodic Maintenance
Sprocket Diameter Inspection
Measure the diameter [A] of the sprocket at the base of the tooth.
If the sprocket is worn down to less than the service limit, replace the
Rear Sprocket Warp Inspection
Raise the rear wheel so that it will turn freely, and set a dial gauge [A]
against the rear sprocket [B] near the teeth as shown in the ﬁgure.
Rotate [C] the rear wheel, and read the dial gauge. The difference
between the highest and lowest dial gauge readings is the amount of
If the runout exceeds the service limit, replace the rear sprocket.
Rear Sprocket Warp
Less than 0.4 mm
m (3.5 kgf
m, 25 ft
FINAL DRIVE 10-7