Cleaning And Lubricating The Drive Chain - Yamaha WR250R Owner's Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
3. Tighten the axle nut, then the lock-
nuts to their specified torques.
Tightening torques:
1
Axle nut:
125 Nm (12.5 m·kgf, 90 ft·lbf)
Locknut:
2
16 Nm (1.6 m·kgf, 12 ft·lbf)
3
4. Make sure that the drive chain pull-
ers are in the same position, the
drive chain slack is correct, and
4
the drive chain moves smoothly.
5
6
7
8
9
Cleaning and lubricating the
drive chain
The drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrica-
tion chart, otherwise it will quickly wear
out, especially when riding in dusty or
wet areas. Service the drive chain as
follows.
NOTICE
The drive chain must be lubricated
after washing the motorcycle, riding
in the rain or riding in wet areas.
1. Clean the drive chain with kero-
sene and a small soft brush.
NOTICE: To prevent damaging
the O-rings, do not clean the
drive chain with steam cleaners,
high-pressure washers or inap-
propriate solvents.
[ECA11121]
2. Wipe the drive chain dry.
3. Thoroughly lubricate the drive
chain with a special O-ring chain
lubricant. NOTICE: Do not use
engine oil or any other lubri-
cants for the drive chain, as they
6-28
may contain substances that
EAU23025
could damage the O-rings.
ECA10583
[ECA11111]