Yamaha YZ250F 2008 Service Manual

5-17
FRONT FORK
DISASSEMBLING THE FRONT FORK
Order Part name Q'ty Remarks
1 Adjuster 1 Drain the fork oil. Refer to removal section.
2 Fork spring 1 Drain the fork oil.
3 Dust seal 1 Refer to removal section.
4 Stopper ring 1 Refer to removal section.
5 Inner tube 1 Refer to removal section.
6 Outer tube 1
7 Piston metal 1
8 Slide metal 1
9 Oil seal washer 1
10 Oil seal 1
11 Base valve 1 Drain the fork oil. Refer to removal section.
12 Damper assembly 1 Drain the fork oil. Refer to removal section.
30 Nm (3.0 m kg, 22 ft lb)
29 Nm (2.9 m kg, 21 ft lb)
29 Nm (2.9 m kg, 21 ft lb)
1 Nm (0.1 m kg, 0.7 ft lb)
55 Nm (5.5 m kg, 40 ft lb)

Yamaha YZ250F 2008 Specifications

General

Displacement	250cc
Bore x Stroke	77.0 x 53.6mm
Compression Ratio	13.5:1
Ignition	CDI
Transmission	5-speed
Final Drive	Chain
Front Tire	80/100-21
Rear Tire	100/90-19
Engine Type	Liquid-cooled, DOHC, 4-stroke
Fuel Delivery	Carburetor
Front Suspension	48mm inverted fork, fully adjustable
Rear Suspension	fully adjustable
Front Brakes	Single disc, 250mm
Rear Brakes	Hydraulic single disc