Yamaha Raptor 90 YFM90RA 2011 Service Manual page 80

ADJUSTING THE DRIVE CHAIN SLACK
a
2
b
1
1. Measure:
• drive chain slack
Out of specification → Adjust.
Drive chain slack
2. Adjust:
• drive chain slack
TIP
3
The drive chain slack is adjusted by the rota-
a
tion of the rear axle hub.
a. Loosen the rear axle pinch bolts
b. Loosen the locknut
c. To tighten the drive chain, turn the drive chain
adjusting nut
drive chain, turn the drive chain adjusting nut
indirection
NOTICE
Excessive chain slack will overload the
engine and other vital parts; keep the slack
within the specified limits.
d. Tighten the locknut.
e. Tighten the rear wheel axle pinch bolts.
TOP
• The chain should be cleaned and lubricated
after every use of the vehicle.
3 - 28
CHK
ADJ
a
10 ~ 25 mm (0.39 ~ 0.98 in)
.
2
indirection . To loosen the
a
3
.
b
55 Nm (5.5 m•kg, 39.8 ft•lb)
1 .