Honda CRF450R 2012 Service Manual

MAINTENANCE
Major adjustments can be made with the in-tine
cable
adjuster .
loosen the lock nul and turn the adjuster.
Tighten the lock nut.
If proper freeplay cannot be obtained using bo th
procedures or the clutch slips during the test ride,
disassemble and inspect the clutch (page 11-9).
CONTROL CABLES
If is nor necessary
to
lubricafe the
entire cable.
It;s nor necessary
to lubricate the
entire cable .
4-32
Remove the dust cover and throttle housing bolts.
Turn the handlebar to the right fully and remove the
throttle housing fr om the handlebar.
Disconnect
the throttle cable end from the throttle
pipe.
Thoroughly lubricate the cable ends with a commer-
cially available cable lubricant.
If the throttle operation is not smooth, replace the
cable.
Be sure the throttle returns freely from fully open to
fully closed automatically, in all steering positions.
Turn the adjuster and remove the clutch cable.
Disconnect
the clutch cable upper end and hot start
cable
upper end from the levers.
Thoroughly lubricate the cable ends with a commer-
cially available cable lubricant.
If the clutch lever and hot start lever operation is not
smooth , replace the cable.
Apply grease to the clutch cable end adjuster inside
su rface.
HOT CABLE CABLE ENDS
CIIHC H CABLE
CABLE
END ADJUSTER
•

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