Adjusting The Drive Chain Slack - Yamaha RAPTOR YFM700RF 2015 Service Manual

5
d. Tighten the locknut.
e. Slide the boots to their original positions.
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EAS21390

ADJUSTING THE DRIVE CHAIN SLACK

TIP
Measure the drive chain slack halfway between
the drive axle and the rear axle.
ECA13550
NOTICE
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.
1. Check:
• Drive chain slack "a"
Out of specification → Adjust.
Drive chain slack
25.0–35.0 mm (0.98–1.38 in)
2. Adjust:
• Drive chain slack
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TIP
The drive chain slack is adjusted by the rotation
of the rear axle hub.
a. Loosen the rear axle pinch bolts "1".
6
a
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3-24
TIP
Loosen the rear axle pinch bolts in the proper se-
quence as shown.
b. Insert an appropriate shaft "2" in the hole "4"
of rear axle hub "3" so that the sprocket
bracket "5" does not move.
3
4
2
c. Shift the transmission into the neutral posi-
tion.
d. To loosen the drive chain, push the vehicle
forward, and to tighten the drive chain, pull
the vehicle backward.
ECA1S3L001
NOTICE
Excessive chain slack will overload the en-
gine and other vital parts; keep the slack
within the specified limits.
e. If the chain slack cannot be adjusted, replace
the sprockets and drive chain as a set.
f. Tighten the rear axle pinch bolts "1".
Rear axle pinch bolt
21 Nm (2.1 m·kg, 15 ft·lb)
TIP
• Tighten the rear axle pinch bolts "1" in the prop-
er sequence as shown.
• The chain should be cleaned and lubricated af-
ter every use of the vehicle.
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CHASSIS
5
1
3
4
2
1 1
4
2
1
3
1 1
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