Honda CRF450X 2005 User Manual

FUEL SYSTEM
Remove the screw and throttle stop sc r ew stay.
Remove the screws, hose guides, and float cham-
ber.
Remove the O-ring
from the float chamber.
The push rod link Pull out the push r od while holding the push rod link
lever adjusting lever.
screw is fac/ory
pre-set. Adjustment
and disassembly
are nor necessary.
6-16
Check the diaphragm for deterio r ation or pin hole.
Check the spring for damage or fatigue.
Check the push rod for wear, bends or damage .
Remove the
float pin , float and float valve.
Check the float for damage or fuel in the float.
Replace the float jf necessary.
FLOAT CH , AMISER ST AY
O-RING
SPRING
PUSH ADD
•

Honda CRF450X 2005 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Valve Train	Unicam, four-valve
Transmission	Wide-ratio five-speed
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	110/100-18
Wheelbase	58.3 inches
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Ignition	Solid-state CD with electronic advance
Final Drive	520 O-ring-sealed chain
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4 inches travel
Induction	Keihin 40mm flat-slide carburetor