Honda 2004 CRF250X Service Manual

CRANKCASE/CRANKSHAFT /TRANSMISSION/BALANCER
SERVICE INFORMATION
GENERAL
• This section covers crankcase separation for service of the crankshaft, transmission and balancer.
• The crankcase must be separated to service the crankshaft and transmission.
• The engine must be out of the frame for this service.
• The following parts must be removed before separating the crankcase.
- Balancer
(p age 12-6)
- Clutch (page 10-7)
- Staterclutch{page 10-19)
- Kickstarter (page 10-15)
- Gearshift linkage (page 10-25)
- Cylinder head (page 8-12)
-
Valve (page 8-15)
-
Cylinder (page 9-4)
- Pis ton (page 9-4)
- Engine (page 7-5)
- Flywheel (page 11-5)
-
Oil pump drive gear / drive pin (page 4-7)
-
Starter motor (page 18 -6)
SPECIFICATIONS
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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