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Yamaha WR450F 2014 User Manual

Yamaha WR450F 2014
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-40
1
2
3
4
5
6
7
8
9
10
11
12
side.
[ECA17701]
2. Install the wheel, drive chain pull-
ers and the brake caliper bracket
by inserting the wheel axle from
the left-hand side.
TIP
Make sure that the retainer on the
brake caliper bracket is inserted
into the slot in the swingarm.
Make sure that there is enough
space between the brake pads be-
fore installing the wheel.
3. Install the drive chain onto the rear
sprocket.
4. Install the washer and the axle nut.
5. Lower the rear wheel so that it is
on the ground, and then put the
sidestand down.
6. Adjust the drive chain slack. (See
page 6-25.)
7. Tighten the axle nut, and then the
locknuts to their specified torques.
EAU25872
Troubleshooting
Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur dur-
ing operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting charts
represent quick and easy procedures
for checking these vital systems your-
self. However, should your motorcycle
require any repair, take it to a Yamaha
dealer, whose skilled 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 inferi-
or, have a shorter service life and can
lead to expensive repair bills.
WARNING
EWA15142
When checking the fuel system, do
not smoke, and make sure there are
no open flames or sparks in the ar-
ea, including pilot lights from water
1. Brake caliper bracket
2. Retainer
3. Slot
1
2
3
Tightening torques:
Axle nut:
125 Nm (12.5 m·kgf, 90 ft·lbf)
Locknut:
19 Nm (1.9 m·kgf, 14 ft·lbf)
1DX-9-E3.book 40 ージ 2014年2月17日 月曜日 午後2時21分

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Yamaha WR450F 2014 Specifications

General IconGeneral
Displacement449cc
Bore x Stroke95.0mm x 63.4mm
Compression Ratio12.5:1
Transmission5-speed; multiplate wet clutch
Final DriveChain
Front Tire80/100-21
Ground Clearance12.8 in
Fuel Capacity2.0 gal
Length85.6 in
Width32.5 in
Engine TypeLiquid-cooled, DOHC
Fuel SystemYamaha Fuel Injection (YFI)
IgnitionTCI
Front SuspensionKYB® spring-type fork with speed-sensitive damping; 12.2 in travel
Rear SuspensionKYB shock, fully adjustable
Front BrakeHydraulic single disc, 250mm
Rear BrakeHydraulic single disc brake, 245mm

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