Honda 2004 CRF250X Service Manual

Adjust the throttle position sensor position so the
resistance between Yellow and Black terminals
;,
calculated resistance
'04 - '06.
Tighten the tOr>{ screw to the specified t orque .
TORQUE: 3.9 N'm (0.4 kgf·m. 2.9 IbUt )
Aher '06: Tighten the bolt to the specified torque.
TORQUE: 3.9 N·m (0 .4 kgf·m, 2.9 Ibf.ft)
Connect the throttle position sensor connector.
Install the removed parts in the reverse order
of
removal.
PILOT SCREW ADJUSTMENT
BEST IDLE (,04 - '06 49 States and
Canada
type)
NOTE:
• The pilot screw is factory pre-set and no adjust -
ment is necessary unless the pilot screw is
replaced .
• Use a tachometer with graduations of 50 rpm or
smaller that will accurately indicate a 50 rpm
change.
Damage to the pilot 1. Turn the pilot screw clockwise until it seats
screw seat will lightly, then back it out the specified number of
occur if the pilot turns.
screw is tightened
agamst the seat.
TOOL:
Pilot screw wrench
07908-4730002
STANDARD OPENING: 2-1/4 turns out
2. Warm up the engine to operating temperature.
Ride the motorcycle for approximately 10 min-
utes.
3. Stop the engine and attach a tachometer accord-
ing to its manufacture r's instruction.
4. Start the engine and adjust the engine idle speed
to the specified rpm with the throttle stop screw.
IDLE SPEED: 1.700 ± 100 rpm
5. Turn the pilot screw in or out slowly to obtain the
highest engine speed.
6. Readjust the idle speed to the specified rpm with
the throttle stop scr ew .
7.
Disconnect the tachometer .
FUEL SYSTEM
nnn
00000
BLUE
YELLOW
BLACK
AJ
V V
5-27

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