Drive Chain Slack Adjustment; Drive Chain Slack Adjustment Steps - Yamaha TT-R90(P) Owner's Service Manual

DRIVE CHAIN SLACK ADJUSTMENT

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DRIVE CHAIN SLACK ADJUSTMENT
1. Elevate the rear wheel by placing the
suitable stand under the engine.
2. Check:
Drive chain slack a
In the center between the drive axle
and rear wheel axle.
Out of specification
Drive chain slack:
40 ~ 53 mm (1.6 ~ 2.1 in)
NOTE:
Before checking and/or adjusting, rotate the
rear wheel through several revolutions and
check the slack several times to find the tight-
est point. Check and/or adjust chain slack with
rear wheel in this "tight chain" position.
3. Adjust:
Drive chain slack

Drive chain slack adjustment steps:

Loosen the wheel axle nut 1.
Adjust chain slack by turning the adjusters
2.
To tighten
To loosen
Turn each adjuster exactly the same
amount to maintain correct axle alignment.
(There are marks a on each side of chain
puller alignment.)
NOTE:
Turn the adjuster so that the chain is in line
with the sprocket, as viewed from the rear.
CAUTION:
Too small chain slack will overload the
engine and other vital parts; keep the
slack within the specified limits.
3 - 12
INSP
ADJ
Adjust.
Turn adjuster 2 clockwise.
Turn adjuster 2 counter-
clockwise and push wheel
forward.