Honda CRF450X 2010 User Manual

MAINTENANCE
REAR :
Remove the bolts, cover, plate and diaphragm .
Fill
the reservoir with DOT 4 brake fluid to the upper
level line.
Do not bend the Install the diaphragm , plate and cover.
diaphragm during Tighten the bolts to the specified to r que .
installation.
TORQUE: 1. 0 N'm (0 .1 kgf ·m, O. 7Ibf.ft)
Check the entire system for leaks.
BRAKE PAD WEAR
Check the brake pads for wear.
Replace the brake pads if either pad is worn to the
bottom of the wear limit groove.
S ER VICE LIMIT: 1.0 mm (0.04 in)
For brake pad replacement (page
16-10)'
BRAKE SYSTEM
LEVER POSITION INSPECTION
The brake lever position can be adjusted by 1005en-
ing the lock nut and turn i ng the adjuster.
Turning the adjuster clockwise moves the brake
lever farther
away from the grip ; turning
the
adjuster counte r clockwise moves the brake lever
closer to the grip.
Apply grease to the
After adjustment , hold the adjuster and tighten the
contact faces of the lock nut to the specified torque.
adjuster and piston.
TORQUE: 5. 9 N'm 10 .6 kgf·m , 4.4 Ibf.f t)
If the brake lever freeplay exceeds 20 mm (0.8 in),
there is air in the system that must be bled .
For brake system bleeding (page 16-7).
4-30
Fr ont ('05 - '07 shown):
I
'.0 mm (0.04 in)
U
:'
. .
LIMIT GROOVE
1.0 mm
(0 .04 in
1 .0mm
(0,04 in)
LIMIT GROOVE
LOCK\,T
ADJUSTER
A-
V
5) L-
-i- J
1 -1
. - - , .
~~~
. ---T
f--' ,
'©'
LESS THAN 20 mm
,
(0.8 in)
,
,
AiSiII
•

Honda CRF450X 2010 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke	96mm x 62.1mm
Compression Ratio	12.0:1
Transmission	Wide-ratio five-speed
Final Drive	#520 chain; 13T/51T
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	110/100-18
Wheelbase	58.3 inches
Fuel Capacity	1.9 gallons
Ignition	Solid-state CD with electronic advance
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and 13-position compression damping adjustability; 12.4 inches travel
Rake	27.38 degrees