Drive Chain Slack - Yamaha TT-R50E 2020 Owner's Manual

Periodic maintenance and adjustment

Drive chain slack

The drive chain slack should be
checked before each ride and adjusted
if necessary.
To check the drive chain slack
1. Place the motorcycle on the side-
stand.
TIP
When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
2. Shift the transmission into the
neutral position.
3. Remove the lower chain cover by
removing the bolts.
7
2
1. Bolt
2. Lower chain cover
4. Measure the drive chain slack as
shown.
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1. Drive chain slack
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Drive chain slack:
35.0–45.0 mm (1.38–1.77 in)
5. Install the lower chain cover by in-
stalling the bolts.
6. If the drive chain slack is incorrect,
adjust it as follows. NOTICE: Im-
proper drive chain slack will
overload the engine as well as
other vital parts of the motorcy-
cle and can lead to chain slip-
page or breakage. To prevent
this from occurring, keep the
drive chain slack within the
specified limits.
To adjust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Remove the lower chain cover by
removing the bolts.
2. Loosen the brake pedal free play
adjusting nut, axle nut, and lock-
nut at each end of the swingarm.
1. Brake pedal free play adjusting nut
2. Drive chain slack adjusting nut
3. Locknut
7-20
[ECA10572]
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2
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