Yamaha TT250RA, Owner'S Manual

Page: 61 / 88

PERIODIC MAINTENANCE AND ADJUSTMENT
7-22
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3
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as well as other vital parts of the
motorcycle and can lead to
chain slippage or breakage. To
prevent this from occurring,
keep the drive chain slack with-
in the specified limits.
[ECA10571]
TIP
Make sure that both adjusting plates
are in the same position for proper
wheel alignment.
3. Tighten the axle nut to the speci-
fied torque.
4. Insert a new cotter pin into the axle
nut, and then bend its ends as
shown.
WARNING! Always use a
new cotter pin for the axle
nut.
[EWA10701]
TIP
Make sure that two notches in the axle
nut are aligned with the hole through
the wheel axle, otherwise further tight-
en the axle nut until they are.
EAU23025
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
ECA10583
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
1. Cotter pin
2. Axle nut
3. Drive chain adjusting plate
3
2
1
(a)
(b)
Tightening torque:
Axle nut:
105 Nm (10.5 m·kgf, 76 ft·lbf)
1. Cotter pin
1