Drive Chain Inspection - Yamaha SR125 1997 Service Manual

REAR WHEEL, REAR BRAKE AND DRIVE CHAIN
5. Inspect:
: Cam shaft face
T701020

DRIVE CHAIN INSPECTION

1. Inspect:
: Drive chain stiffness
Stiffness ! Clean and lubricate or replace.
2. Inspect:
: Drive chain 1
: Driven sprocket 2
More than 1/2 tooth a wear ! Replace the
drive chain.
Use new driven sprocket.
3. Measure:
: 10 link length a (drive chain)
Out of specification ! Replace the drive
chain.
10 link length limit:
122 mm
NOTE:
: Tighten the drive chain with a finger before
measuring.
: 10 link length is the distance between the
inside edge of roller 1 and
: 10 link length measurement should be done at
two or three different places.
6-26
CHAS
11 as shown.