Honda CRF450R User Manual

Front Suspension Adjustments
110 Adjustments for Competition
23.Install the handlebar (21), mounting rubbers
(22), washers and handlebar holder nuts (23)
and tighten the handlebar holder nuts to the
specified torque:
32 Ibf·ft (44 N·m, 4.5 kgf·m)
(21) handlebar
(22) mounting rubbers
(23) washers/handlebar holder nuts
24.Install the number plate (24) by aligning its
hole with the tab (25) on the steering stem.
(24) number plate (25) tab
25.Install and tighten the number plate bolt (26).
Install the handlebar pad (27).
(26) number plate bolt
(27) handle bar pad
26.With the front brake applied, pump the fork
up and down several times to seat the axle and
check front brake operation.
27.Tighten the left fork pinch bolts (28)
alternately first.
While keeping the forks parallel, alternately
tighten the right fork pinch bolts (28) to the
specified torque:
15 Ibf·ft (20 N·m, 2.0 kgf·m)
(28) axle pinch bolts
To avoid damage when torquing the axle pinch
bolts, be sure the axle is seated firmly onto the
left fork leg clamp inner surface.
28.Clean the threads of the disk cover bolts and
axle holder thoroughly. Apply locking agent
to the bolt threads.
Install the disc cover (29) and tighten the bolts
(30) to the specified torque:
10 Ibf·ft (13 N·m, 1.3 kgf·m)
NOTICE
(29) disc cover (30) bolts
29.Turn the rebound damping adjusters back to
their original settings.
(22)
(21)
(23)
(24)
(25)
(26)
(27)
(28)
(28)
(29)
(30)

Honda CRF450R Specifications

General

Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Fuel System	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Ignition	Full transistorized ignition
Starter	Electric
Transmission	5-speed
Front Suspension	49mm inverted Showa coil-spring fork with rebound and compression damping adjustability; 12.2 inches travel
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Final Drive	Chain
Rear Suspension	Showa single shock with Pro-Link; rebound and compression damping adjustability; 12.4 inches travel