Honda 2009 CRF450X User Manual

168 Technical Information
HONDA O/M CRF450X (Eu) 3RMEY620 00X3R-MEY-6200
Optional Parts List
FRAME Remarks
Shock spring
Standard
Stiffer
Optional
Softer
Stiffer
Fork spring
Standard
Optional
Softer
The standard fork spring and shock spring
mounted on the motorcycle when it leaves the
factory are not marked. Before replacing the
springs, be sure to mark them so they can be
distinguished from other optional springs.
53.9 N/mm (307.8 lbf/in)
No mark
(factory products)
Red
paint
(aftermarket parts)
or
52.0 N/mm (296.9 lbf/in)
4.61 N/mm (26.32 lbf/in)
4.41 N/mm (25.18 lbf/in)
4.81 N/mm (27.47 lbf/in)
Red
Blue
55.9 N/mm (319.2 lbf/in)
Pink
TOOLS Remarks
For checking tyre air pressure
Pin spanner A
Workstand
To adjust spring pre-load.
(two spanners required)
For maintenance
Air gauge
FRAME Remarks
Driven sprocket
Standard
< >: Drive chain links
51 Teeth, Aluminum.
<114>
Optional 50 Teeth, Aluminum
<114>
Optional no offset
52 Teeth, Aluminum
<116>
Handlebar
lower holder
Standard
3 mm offset
These parts and tools may be ordered from your
Honda dealer.
Drive chain
size/link DID520MXV/120
1 scribe mark
(aftermarket parts)
2 scribe marks
3 scribe marks

Honda 2009 CRF450X Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Induction	Keihin 40mm flat-slide carburetor
Transmission	Wide-ratio five-speed
Final Drive	#520 chain; 13T/51T
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4-inch 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
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Ignition	CD with electronic advance