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Yamaha XT250 2008 User Manual

Yamaha XT250 2008
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PERIODIC MAINTENANCE AND ADJUSTMENT
7-26
1
2
3
4
5
6
7
8
9
4. If the drive chain slack is incorrect,
adjust it as follows.
EAU22961
To adjust the drive chain slack
1. Loosen the axle nut.
2. To tighten the drive chain, turn the
drive chain slack adjusting plate on
each side of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting plate on each
side of the swingarm in direction
(b), and then push the rear wheel
forward.
NOTICE:
Improper drive
chain slack will overload the en-
gine 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.
EAU23023
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
ECA10581
The drive chain must be lubricated
after washing the motorcycle and
riding in the rain.
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. Drive chain slack
1
1. Drive chain slack adjusting plate
2. Stopper
3. Axle nut
Tightening torque:
Axle nut:
85 Nm (8.5 m·kgf, 61.5 ft·lbf)
1
3
2
(a)
(b)

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Yamaha XT250 2008 Specifications

General IconGeneral
Compression Ratio9.5:1
IgnitionCDI
Transmission5-speed
Final DriveChain
Front Suspension35mm telescopic fork; 8.9-in travel
Rear SuspensionSingle shock; 7.1-in travel
Front BrakeSingle disc, 245mm
Front Tire2.75-21
Rear Tire120/80-18
Wheelbase53.5 in
Seat Height31.9 in
Fuel Capacity2.4 gal
Curb Weight291 lb
Ground Clearance11.2 in
Bore x Stroke74.0mm x 58.0mm
Fuel SystemCarburetor
Rear BrakeDrum
Length84.6 inches
Engine Type249cc, air-cooled, 4-stroke single; SOHC, 2 valves

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