Honda 2004 CRF250X Service Manual

LUBRICATION SYSTEM
Check the oil seal for damage or deterioration .
Replace the oil seal if necessary.
Aher Installing a Check that the washer and snap ri ng afe installed in
snap ring, always the left crankcase cover securely.
fOtate it in its
grOOllB to be sure It
IS fully seated.
Measure the
clearance with the
gasket
ins/ailed.
4-8
Temporar ily install the oil pump shaft.
Install the outer and inner rotors into the crankcase.
Measure
the tip clearance.
SERVICE LIMIT: 0 .2 0 mm !0.008 in)
Measure the body clearance.
STANDARD: 0.15 - 0 .2 0 mm (0.006 - 0.008 in)
Measure the side clearance using a straight edge
and feeler gauge .
STANDARD: 0. 05 - 0. 12 mm (0 .002 - 0.005 in)

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