Yamaha 2002 TDM900 Service Manual page 244

SWINGARM AND DRIVE CHAIN
8. Install:
S drive sprocket 1
S washer 2
S drive sprocket nut 3
S drive chain guide 4
NOTE:
While applying the rear brake, tighten the drive
sprocket nut.
9. Bend the lock washer tab a along a flat side
of the nut.
10. Adjust:
S drive chain slack
Refer to "ADJUSTING THE DRIVE CHAIN
SLACK" in chapter 3.
CAUTION:
A drive chain that is too tight will overload
the engine and other vital parts, and one that
is too loose can skip and damage the swin-
garm or cause an accident. Therefore, keep
the drive chain slack within the specified
limits.
4-80
CHAS
New
85 Nm (8.5 mSkg)
Drive chain slack
50 X 60 mm