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Honda CRF450X User Manual

Honda CRF450X
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148 Taking Care of the Unexpected
If a Fuse Blows
All of the electrical circuits on your CRF have a
fuse to protect them from damage caused by
excess current flow (short circuit or overload).
If something electrical on your CRF stops
working, the first thing you should check for is a
blown fuse. Check the fuse before looking
elsewhere for another possible cause of the
problem. Replace a blown fuse and check
component operation.
The main fuse (and spare) are located on the
starter motor magnetic switch behind the right
side cover.
Recommended Main Fuse:
15A
1. To prevent an accidental short circuit, stop the
engine.
2. Open the air cleaner housing cover by turning
the quick fastner (1) counterclockwise and
remove the left side cover bolt (2), seat bolt
(3) and left side cover (4).
(1) quick fastner
(2) left side cover bolt
(3) seat bolt
(4) left side cover
3. Remove the starter magnetic switch (5) with
the rubber case.
4. Disconnect the wire connector (6) of the
starter magnetic switch.
5. Pull out the main fuse (7). If it is blown (8),
install the spare main fuse (9).
(5) starter magnetic switch
(6) starter magnetic switch connector
(7) main fuse
(8) blown fuse
(9) spare main fuse
5. Reconnect the wire connector and install the
starter magnetic switch.
If you do not have a replacement fuse with the
proper rating for the circuit, install one with a
lower rating.
Replacing a fuse with one that has a higher
rating greatly increases the chance of damage to
the electrical system.
If you replace a blown fuse with a spare fuse that
has a lower rating, replace the fuse with the
correct rating as soon as you can. Also remember
to replace the spare fuse that was installed.
If the replacement fuse of the same rating burns
out in a short time, there is probably a serious
electrical problem on your CRF.
Leave the blown fuse in that circuit and have
your CRF checked by your Honda dealer.
NOTICE
(1)
(2)
(3)
(4)
(6)
(7)
(9)
(5)
(8)

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Honda CRF450X Specifications

General IconGeneral
Engine Type449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke96.0mm x 62.1mm
Compression Ratio12.0:1
InductionProgrammed Fuel Injection (PGM-FI), 46mm throttle body
Front BrakeSingle 240mm disc with twin-piston caliper
Rear BrakeSingle 240mm disc
Front Tire80/100-21
Rear Tire110/100-18
Wheelbase58.3 inches
Fuel Capacity2.0 gallons
Final Drive#520 chain; 13T/51T
Front Suspension49mm leading-axle inverted telescopic Showa fork; fully adjustable
Rear SuspensionPro-Link Showa single shock with spring preload adjustability
Trail4.6 inches
Curb Weight275 pounds (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride)
Rake27.0°

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