Adjusting The Drive Chain Slack - Yamaha YFM350R-W Supplementary Service Manual

BLEEDING THE HYDRAULIC BRAKE SYSTEM/

ADJUSTING THE DRIVE CHAIN SLACK

k. Fill the brake fluid reservoir to the proper
level with the recommended brake fluid.
Refer to "BRAKE FLUID LEVEL INSPEC-
TION" in chapter 3. (Manual No.: 3GD-AE5)
WARNING
_
After bleeding the hydraulic brake system,
check the brake operation.
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ADJUSTING THE DRIVE CHAIN SLACK
NOTE:
The drive chain slack must be checked at the
tightest point on the chain.
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
swingarm or cause an accident. Therefore,
keep the drive chain slack within the speci-
fied limits.
1. Elevate the rear wheels by placing the suit-
able stand under the frame.
2. Measure:
• drive chain slack a
Out of specification → Adjust.
Drive chain slack
25 ~ 35 mm (0.98 ~ 1.38 in)
3. Adjust:
• drive chain slack
M MMM M MMM M M MMM
a. Loosen the rear axle hub upper nut 1.
b. Loosen the rear axle hub lower nut 2.
– 29 –
CHK
ADJ
L L LLL L L LLL L
M M MMM M M MMM M
L LLL L LLL
M MMM M MMM