Yamaha YZ125(R)/LC, Owner'S Service Manual

Page: 184 / 568

3-26
FRONT FORK INSPECTION
INSP
ADJ
3. Adjust:
9 Drive chain slack
EC36C000
FRONT FORK INSPECTION
1. Inspect:
9 Front fork smooth action
Operate the front brake and stroke the
front fork.
Unsmooth action/oil leakage
→
Repair or
replace.
Drive chain slack adjustment steps:
9 Loosen the axle nut
1
and locknuts
2
.
9 Adjust chain slack by turning the
adjusters
3
.
To tighten
→
Turn adjuster
3 3
counter-
clockwise.
To loosen
→
Turn adjuster
3 3
clockwise
and push wheel forward.
9
Turn each adjuster exactly the same amount
to maintain correct axle alignment. (There are
marks
a
on each side of chain puller align-
ment.)
NOTE:
Turn the adjuster so that the chain is in line
with the sprocket, as viewed from the rear.
c C
Too small chain slack will overload the
engine and other vital parts; keep the
slack within the specified limits.
9
Tighten the axle nut while pushing down the
drive chain.
9
Tighten the locknuts.
Axle nut:
125 Nm (12.5 m•kg, 90 ft•lb)
Locknut:
16 Nm (1.6 m•kg, 11 ft•lb)