Honda CRF450R 2012 Service Manual

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INSTALLATION
Install the right and left side collars.
Jf the rear brake caliper bracket is removed, install it
onto the slide rail of the swingarm .
Be careful nor to Place the rear wheel into the swingarm .
damage the brake Apply thin coat of grease to the axle.
piJds wirl'l the disc. Install the drive chain over the driven sprocket.
Install the adjusting block and axle from the left
side.
Install the adjusting block, washer and axle nut.
Adjust the drive chain slack (page 4-24).
Tighten
the axle nut to the specified torque.
TORQUE: 1 28 N'm (1 3. 1 kgf·m, 94 I bf·ftj
Snug the adjusters against the adjusting blocks and
tigh ten the lock nuts to the specified torque .
TORQUE: 27 N'm (2.8 kgf·m, 20 Ibf.ft)
REAR WHEEL/SUSPENSION
CALIPER BR,'CI(ET
15-13

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