Yamaha XT250X Service Manual page 144

NOTE:
Tighten the drive sprocket nut by applying the
G
rear drive.
Be sure to bend the lock washer tab along to
G
the nut side face.
1
5. Adjust:
Drive chain slack
G
Refer to "ADJUSTING THE DRIVE CHAIN
SLACK" on page 3-20
Drive chain slack
40.0–45.0 mm (1.57–1.77 in)
ECA13550
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 swing-
arm or cause an accident. Therefore, keep
the drive chain slack within the specified lim-
its.
2
4-60
CHAIN DRIVE