Honda CRF450R 2007 Service Manual

L
Align the brake hose eyelet between the stoppers.
Install the brake hose eyelet with the oi l bolt and
new sealing washers .
Tighten the brake hose oi l bolt to the specified
torque .
TORQUE: 34
N·m 13 .5 kg f·m, 25 Ibf· ft )
Fill
and bleed the fr ont brake hydraulic system
(page 16-
7) .
REAR MASTER CYLINDER
REMOVAL
Drain the rear brake hydraulic system (page 16-6).
Remove the brake
pedal (page 16-24).
Vv1I en removing the Remove the brake hose oil bolt, sealing washers
brake hose 011 bolt. and brake hose eyelet.
CCMlf the end o( the
hose to prevent
con t amina t IOn .
Secure the hose to
prevent fluid (rom
leakIng out.
Remove the master cylinder mounting bolts and
rear
master cylinder.
DISASSEMBLY
Remove the boot.
Remove the snap ring
from the master cylinder
body using the speci al tool as shown.
TOOL:
Snap
ring pli ers 079 1 ~SA5000 1
Remove the push rod, master piston and spring .
HYDRAULIC BRAKE
16 -15

Honda CRF450R 2007 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Transmission	5-speed
Final Drive	#520 chain; 13T/48T
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	110/90-19
Wheelbase	58.3 inches
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Induction	Keihin 40mm carburetor
Ignition	CDI
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment
Trail	4.6 inches