Honda 2004 CRF250X Service Manual

FUEL SYSTEM
5-32
PAIR CHECK VALVE INSPECTION
Remove the PAIR control va lve (page 5-31).
Remove the screws, PAIR check valve cover and
PAIR check valve.
Check the reed for damage or fatigue.
Replace the
PAIR check valve if the rubber seat is
cracked, deteriorated
or damage. or if there is clear-
ance between the reed and sea t.
Installation is in the rever se order of removal.
AIR SUPPLY PIPE REMOVALI
INSTALLATION
Remove the right radiator shroud (page 2-4).
Remove the bolt.
Disconnect the air supply hose.
Remove the
air supply pipe and O-ring.
Check the air supply pipe for damage or deforma -
tion.
SCREWS
,
,
,
REED VALVE
AIR SUIPPLYPI PE
,
PAIR CHECK VALVE
VAL VE "()P"ER
RUBBER SEAT

Honda 2004 CRF250X Specifications

General

Engine Type	249cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	78.0mm x 52.2mm
Compression Ratio	12.5:1
Induction	Keihin 37mm flat-slide carburetor
Transmission	5-speed
Final Drive	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
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	100/100-18
Rake (Caster Angle)	27.5°
Trail	113mm (4.4 inches)
Wheelbase	58.3 inches
Seat Height	37.7 inches
Ground Clearance	13.4 inches
Ignition	CD with electronic advance