Honda CRF450R 2013 User Manual

122 Adjustments for Competition
Front Suspension Adjustments
7. Tighten the fork center bolt lock nut (2) to the
fork center bolt (7) closely by hand. Tighten
the fork center bolt lock nut to the specified
torque using an open end wrench 9/16 in (15
mm):
21 lbf·ft (29 N·m, 3.0 kgf·m)
8. Place the lower end (axle holder) of the slider
in a vise with a piece of wood or soft jaws to
avoid damage.
NOTICE
Over-tightening the vise can damage the axle
holder.
9. Apply locking agent to the fork center bolt
threads.
Install the fork center bolt (7) to the axle holder
and tighten it to the specified torque:
41 lbf·ft (55 N·m, 5.6 kgf·m)
10. Pour the recommended fork oil (8) into the
fork assembly (1).
Recommended Oil:
KHL15-11 (KYB)
Fork Oil Capacity:
Be sure the oil capacity is the same in both fork
legs.
11. Install a new O-ring (9) on the fork damper
assembly (3). Apply the recommended fork oil
to the O-ring.
12. Pull up the fork assembly (1) slowly and install
the fork damper assembly (3) into the outer
tube.
(2) fork center bolt lock nut
(7) fork center bolt
(7)
(2)
(7) fork center bolt
(1) fork assembly (8) fork oil
(7)
(1)
(8)
Standard oil
capacity
8.3 US oz
(245 cm
3
)
Maximum
oil capacity
8.5 US oz
(250 cm
3
)
Slightly stiffer as
it nears full
compression.
Minimum oil
capacity
7.1 US oz
(210 cm
3
)
Slightly softer as
it nears full
compression.
(1) fork assembly (9) O-ring (new)
(3) fork damper assembly
(9)
(3)
(1)

Honda CRF450R 2013 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	PGM-FI, 46mm throttle body
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
Wheelbase	58.7 inches
Seat Height	37.6 inches
Fuel Capacity	1.7 gallons
Ground Clearance	13.0 inches
Front Suspension	48mm inverted Kayaba PSF (Pneumatic Spring Fork) with air-adjustable spring rate, rebound and compression damping adjustability; 12.2 inches travel
Rear Suspension	Pro-Link single shock with adjustable spring preload, rebound and compression damping adjustability; 12.4 inches travel
Trail	4.6 inches