Honda 2009 CRF450X User Manual

Servicing Your Honda 91
HONDA O/M CRF450X (Eu) 3RMEY620 00X3R-MEY-6200
Brakes
Brake Pad Wear
Brake pad wear depends on the severity of usage
and track conditions. (Generally, the pads will
wear faster on wet and dirty tracks) Inspect the
pads at each regular maintenance interval
(page 27).
Front Brake Pads
Inspect the brake pads (1) through the front
wheel to determine the pad wear. If either pad is
worn anywhere to a thickness of 1 mm (0.04 in),
both pads must be replaced.
(1) brake pads (3) brake disc
(2) front brake caliper
Rear Brake Pads
Inspect the brake pads (1) from the rear side of
the caliper to determine the pad wear. If either
pad is worn anywhere to a thickness of 1 mm
(0.04 in), both pads must be replaced.
(1) brake pads (3) brake disc
(2) rear brake caliper
(3)
(2)
(1)
1 mm
(0.04 in)
wear indicator
grooves
replace
1 mm
(0.04 in)
minimum thickness
indicator
(1)
(3)
(2)
replace
1 mm
(0.04 in)
minimum thickness
indicator
(1)
Other Inspections
Check that the brake lever and pedal assemblies
are positioned properly and the securing bolts are
tight.
Make sure there are no fluid leaks. Check for
deterioration or cracks in the hoses and fittings.

Honda 2009 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	Keihin 40mm flat-slide carburetor
Transmission	Wide-ratio five-speed
Final Drive	#520 chain; 13T/51T
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-inch travel
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
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Ignition	CD with electronic advance