Honda CRF450R 2017 User Manual

86 Servicing Your Honda
Suspension
• When disassembling the fork, turn the
compression (1) and rebound (2) damping
adjusters counterclockwise to the softest
position to prevent damaging the adjustment
needle (be sure to record the number of turns
from the starting position).
1. Unlock the number plate tab (3) from the
handlebar pad. Remove the bolts (4) and
number plate (5).
2. Place your CRF on an optional workstand or
equivalent support with the front wheel off the
ground.
3. Remove the handlebar lower holder nuts,
washers, mounting rubbers (6) and handlebar
(7).
NOTICE
Keep the master cylinder upright to prevent air
from entering system.
4. Loosen the fork bridge upper pinch bolts (8).
5. Loosen the fork bolts assembly (9), but do not
remove them yet.
6. Loosen the fork damper assembly (10) using a
lock nut wrench (11), but do not remove them.
• Lock nut wrench 07WMA-KZ30100
NOTICE
Do not use an adjustable wrench to loosen the fork
damper assembly: it may damage them.
7. Remove the disc cover (12) by removing disc
cover socket bolts (13).
Front Suspension Removal
(1) compression damping adjuster
(2) rebound damping adjuster
(3) number plate tab (5) number plate
(4) bolts
(1)
(2)
(5)
(4)
(3)
(6) handlebar lower holder nuts, washers and mounting
rubbers
(7) handlebar
(7)
(6)
(8) fork bridge upper pinch bolts
(9) fork bolt assembly
(10) fork damper assembly
(11) lock nut wrench
(12) disc cover (13) disc cover socket bolts
(10)
(8)
(11)
(9)
(12)
(13)
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Honda CRF450R 2017 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Transmission	Close-ratio five-speed
Final Drive	#520 Chain; 13T/49T
Rear Suspension	Pro-Link Showa single shock with spring preload, rebound and compression damping adjustability; 12.4 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
Trail	116mm (4.6 inches)
Wheelbase	58.3 inches
Seat Height	37.8 inches
Valve Train	Unicam, 4-valve
Ignition	Full transistorized
Curb Weight	243 pounds