Honda 2004 CRF250X Service Manual

RADIATOR COOLANT
Check the coolant level of the reserve tank with the
engine running at normal ope rating tempe ratur e.
The level should be between the "UPPER" and
"L OWER " level lines.
If necessary, add recommended coolant.
RECOMMENDED ANTIFREEZE:
Pro Honda HP coolant or an equivalent high qual·
ity ethylene glycol antifreeze cont aining s ilicate
free corrosion inhibitors
Remove the left side cover (page 2·3).
Remove the reserve tank filler cap an d fill the
" UPPER " level line with 1 : 1 mix ture of distilled
water and antifreeze.
Reinstall the filler cap.
Install the left side cover (page 2-3),
COOLING SYSTEM
Remove the fuel tank (page 2-7),
Remove the radi a to r grill (page 6-8),
Check the radiator air passages for clogging or dam-
age.
Straighten bent fins, and remove insects, mud or
order obstructions with comp ressed air or low
water pressure.
Replace the radiator if the air flow is restricted over
more than 20 % of the radiating surface.
Inspect the radiator hoses for cracks or deteriora-
tion, and replace them if necessary.
Check t
he t ightness of all hose clamps and fasten-
ers.
MAINTENANCE
"UPP"R" L ~ LINE , •
3-13

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