Honda CRF450R 2011 User Manual

Optional Parts List
160 Technical Information
Optional Parts List
These parts and tools may be ordered from your
authorized Honda dealer.
The standard fork 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.
FRAME Remarks
Driven sprocket < >: Drive chain links
48 Teeth, Aluminum.
<116>
Standard
Optional 47 Teeth, Aluminum
49 Teeth, Aluminum
Drive chain
size/link
D.I.D 520 DMA4/120RB
RK520TXZ/120RJ
Handlebar
lower holder 3 mm offset
Optional no offset
TOOLS Remarks
Pin spanner A To adjust spring preload.
(two spanners required)
Workstand For maintenance
Air gauge For checking tyre air pressure
FRAME Remarks
Shock spring 54 N/mm (308.3 lbf/in)
Standard
Optional
52 N/mm (296.9 lbf/in)
Softer
Stiffer 56 N/mm (319.8 lbf/in)
Fork spring 4.6 N/mm (26.27 lbf/in)
Standard
Optional 4.4 N/mm (25.12 lbf/in)
Softer
Stiffer 4.8 N/mm (27.41 lbf/in)
Pink paint
(aftermarket parts)
Yellow paint
White paint
4 scribe marks
(aftermarket parts)
2 scribe marks
6 scribe marks
No mark
(factory products)
or
CRF450R.book Page 160 Thursday, July 8, 2010 9:34 AM

Honda CRF450R 2011 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Transmission	Close-ratio five-speed
Final Drive	#520 chain; 13T/48T
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Trail	114mm (4.5 inches)
Induction	PGM-FI, 46mm throttle body
Front Suspension	48mm inverted with rebound and compression damping adjustability; 12.2 inches travel
Rear Suspension	Pro-Link single shock with rebound and compression damping adjustability; 12.4 inches of travel
Wheelbase	58.7 inches
Seat Height	37.6 inches
Fuel Capacity	1.5 gallons