Inspection - Yamaha TTR250L Service Manual

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DRIVE CHAIN AND SPROCKETS
5.Remove:
Chain joint
Use the drive chain cutter tool 1.
6.Remove:
Link plate 1
O-ring 2
Pin 3
Drive chain 4
7.Remove:
Rear wheel
Refer to "REAR WHEEL".

INSPECTION

1.Measure:
10-link length a (drive chain)
Use a vernier caliper gauge.
Out of specification → Replace the drive
chain.
NOTE:
For measurement, increase the chain ten-
sion with you finger.
10-link length is a measurement between
the inside edges of the 1 and A rollers as
shown.
Two or three different 10-link lengths
should be measured.
2.Clean:
Drive chain
Place it in kerosene, and brush off as
much dirt as possible. Then, remove the
chain from the kerosene and dry it off.
6 - 74
CHAS
Drive chain cutter:
P/N. 90890-01286
10-link length limit:
150.1 mm (5.90 in)

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Ttr250c

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