Honda CRF450R 2007 Service Manual

GENERAL INFORMATION
ITEM SPECIFICATION
DRI VE TRAIN Clutch system
Multi -plate, wet
Clutch operation sys tem
Cable ope r ated
Transmissi on Constant mesh, 5-speed
Primary reduction
2.739 (63123 )
Final reduction
3.923 (51 /13)
Gea r ratio
, ,,
2.230 (29/13)
2nd
1.625 (26116)
3,d 1.235 (2 1/17)
. th
lOOO (1 9119 )
5th
0.826 ( 19123)
Gearshift panern Left foot operated return system ,
l -N-2 - 3 - 4 - 5
ELECTRICAL Ignition system leM (Ignition Control Module )
Starting system Electric starter motor and kickstarter
Charging system Single phase output al te rn ator
Regu lato r/r ectifier SeR shorted/Single pha se , ha lf wave
rectification
lighting system
Alternator
•
'·6
•

Honda CRF450R 2007 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	5-speed
Final Drive	#520 chain; 13T/48T
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	110/90-19
Wheelbase	58.3 inches
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Induction	Keihin 40mm carburetor
Ignition	CDI
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment
Trail	4.6 inches