Troubleshooting - Yamaha DT125R Owner's Manual

2004
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PERIODIC MAINTENANCE AND MINOR REPAIR
CAUTION
Do not apply the brake after the
wheel has been removed together
with the brake disc, otherwise the
brake pads will be forced shut.
To install the rear wheel
1. Install the drive chain onto the
rear sprocket, and then insert the
wheel axle from the left-hand
side.
NOTE:
6
Make sure that there is enough space
between the brake pads before inser-
ting the brake disc between the brake
pads.
2. Install the drive chain adjusting
plates.
NOTE:
Make sure that the drive chain adjus-
ting plates are installed with the pun-
ched side facing to the outside.
3. Install the swingarm end bolts.
ECA11070
4. Adjust the drive chain slack. (See
page 6-19.)
5. Tighten the axle nut and the
swingarm end bolts to the speci-
fied torques, and then install the
cotter pin.
s WARNING
s
EAU25530
Always use a new cotter pin for the
axle nut.
Tightening torque:
Axle nut:
90 Nm (9,0 m•kgf)
Swingarm end bolt:
3 Nm (0,3 m•kgf)

Troubleshooting

Although Yamaha motorcycles recei-
ve a thorough inspection before ship-
ment from the factory, trouble may
occur during operation. Any problem
in the fuel, compression, or ignition
systems, for example, can cause poor
starting and loss of power.
6-29
The following troubleshooting chart
represents a quick and easy procedu-
re for checking these vital systems
yourself.
However,
motorcycle require any repair, take it
to a Yamaha dealer, whose skilled
EWA10700
technicians have the necessary tools,
experience, and know-how to service
the motorcycle properly.
Use only genuine Yamaha replace-
ment parts. Imitation parts may look
like Yamaha parts, but they are often
inferior, have a shorter service life and
can lead to expensive repair bills.
EAU25850
should
your

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