Honda CRF450X User Manual

Throttle
Throttle Inspection
(1) throttle
1. Check that the throttle assembly is positioned
properly and the securing bolts are tight.
2. Check for smooth rotation of the throttle (1)
from fully open to fully closed in all steering
positions. If there is a problem, see your
Honda dealer.
3. Inspect the condition of the throttle cables
from the throttle grip down to the carburetor.
If the cable is kinked or chafed, have it
replaced.
4. Check the cables for tension or stress in all
steering positions.
5. Lubricate the cables with a commercially-
available cable lubricant to prevent premature
rust and corrosion.
(1)
Servicing Your Honda
55

Honda CRF450X Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
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
Fuel Capacity	2.0 gallons
Final Drive	#520 chain; 13T/51T
Front Suspension	49mm leading-axle inverted telescopic Showa fork; fully adjustable
Rear Suspension	Pro-Link Showa single shock with spring preload adjustability
Trail	4.6 inches
Curb Weight	275 pounds (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride)
Rake	27.0°