Honda CRF450R 2007 Service Manual

FRAME/BODY PANELS/EXHAUST SYSTEM
3-10
Remove the muffler mounting bolts , washer and
muffler .
Remove the bolt, washer and heat shield from the
muffler .
Remove
the torx sc rew, washer and diffuser from
the m uff ler.
Apply muffler sealant to the diffuser as shown.
Install the diffuser, washer and torx screw to the
muffle r.
Tighten the tao( screw to the specified torque.
TORQUE: 11 N'm (1 .1 kgf·m, 8 Ibf.ft)
BOlTIW,'SH!,R
DI FFUSER
TORX sCfiEW'IWI\S H;ER
DIFFUSER
,.
TORX SCREW

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