Honda CRF250X User Manual

72 Servicing Your Honda
Valve Clearance
6. Insert the feeler gauge between the intake
valve lifter and cam lobe.
If the feeler gauge (15) cannot be inserted, the
shim is caught between the valve lifter and the
valve retainer. Remove the camshaft holders
to place the shim correctly, and reinstall the
camshaft holders.
Valve Clearance:
IN: 0.12 ± 0.03 mm (0.005 ± 0.001 in)
EX:0.28 ± 0.03 mm (0.011 ± 0.001 in)
(15) feeler gauge
7. Remove the stopper tool (16) from the cam
chain tensioner lifter.
(16) stopper tool
8. Install a new sealing washer (17) and tighten
the cam chain tensioner lifter cover bolt (18).
(17) sealing washer
(18) cam chain tensioner lifter cover bolt
(15)
(15)
(16)
(17)
(18)
Crankshaft Hole Cap Installation
Coat a new O-ring (1) with engine oil and install
it onto the crankshaft hole cap (2).
Apply grease to the crankshaft hole cap threads.
Install and tighten the crankshaft hole cap to the
specified torque:
15 N·m (1.5 kgf·m, 11 lbf·ft)
(1) O-ring
(2) crankshaft hole cap
(1)
(2)
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Honda CRF250X Specifications

General

Engine Type	249cc liquid-cooled single-cylinder four-stroke
Bore and Stroke	78.0mm x 52.2mm
Compression Ratio	12.9:1
Induction	Keihin 37mm flat-slide carburetor
Ignition	CDI
Transmission	Wide-ratio five-speed
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 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
Trail	113mm (4.4 inches)
Wheelbase	58.3 inches
Seat Height	37.7 inches
Fuel Capacity	1.9 gallons
Final Drive	520 chain; 13T/51T
Rake	27.5 degrees
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and 13-position compression damping adjustability; 12.4 inches travel
Curb Weight	254 lbs (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride)