Yamaha SR125 1997 Service Manual page 69

A
DRIVE CHAIN SLACK ADJUSTMENT
B
1. Check:
S Drive chain slack
Out of specification ! Adjust.
Drive chain slack:
25
a Check window
b Adjustable limit
c Usable limit
d Usable range
2. Adjust:
S Drive chain slack
A Standard
B Useful limit
***************************************
Adjustment steps:
S Loosen the axle nut 1 .
S Turn the chain adjusters 2 clockwise or coun-
terclockwise until the specified drive chain
slack is obtained.
Clockwise ! Chain slack is decreased.
Counter-
! Chain slack is increased.
clockwise
NOTE:
Turn each chain adjuster exactly the same
amount to maintain correct axle alignment.
(There are marks e on each chain adjuster.
Use them when adjusting the slack for proper
alignment.)
S Before tightening the axle nut to specification,
make sure that there is no clearance at the ad-
juster (or the swingarm end) on both sides by
pushing the wheel forward.
Rear wheel axle:
65 Nm (6.5 mSkg)
***************************************
CAUTION:
Do not adjust the drive chain slack above
the usable range b of check window a .
3-23
INSP
ADJ
35 mm