Honda CRF450R 2012 Service Manual

FUEL SYSTEM
'05 and '06 Disconnect the breather hose and PAIR air suction
California type, hose.
Aher '06:
6-8
Remove the bolt and colla r.
Remove the screws and mud guard.
Remove
the botts, collars and air cleaner housing .
Check the carburetor connecting boot is sealed
properly at the air cleaner housing.
Check the air cleaner housi ng for damage.
Remove the carbur etor connecting b oot from the ai r
cleaner housing and seal t horoughly if any si gn of
inadequate sealing is detected.
•

Honda CRF450R 2012 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.5:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Ignition	CDI
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
Seat Height	37.6 inches
Ground Clearance	13.2 inches
Front Suspension	12.2 inches travel
Rear Suspension	Pro-Link Showa single shock with spring preload, rebound and compression damping adjustability; 12.4 inches travel
Rake	27° 04'
Trail	4.6 inches
Wheelbase	58.3 inches
Curb Weight	249 pounds