Yamaha yz250 2015 User 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
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
8Protector guide 1
9 Slide metal 1
10 Oil seal washer 1
11 Oil seal 1
12 Base valve 1 Drain the fork oil. Refer to removal section.
13 Damper assembly 1 Drain the fork oil. Refer to removal section.
1 Nm (0.1 m kg, 0.7 ft lb)
29 Nm (2.9 m kg, 21 ft lb)
55 Nm (5.5 m kg, 40 ft lb)
29 Nm (2.9 m kg, 21 ft lb)
30 Nm (3.0 m kg, 22 ft lb)

Yamaha yz250 2015 Specifications

General

Displacement	249cc
Bore x Stroke	66.4mm x 72.0mm
Compression Ratio	8.9~10.6:1
Ignition	CDI
Transmission	5-speed; multiplate wet clutch
Final Drive	Chain
Front Tire	80/100-21
Rear Tire	110/90-19
Wheelbase	58.3 in
Seat Height	39.1 in
Ground Clearance	14.2 in
Fuel Capacity	2.1 gal
Wet Weight	227 lbs
Engine Type	2-stroke
Fuel System	Keihin PWK38S
Front Suspension	KYB Speed-Sensitive System inverted fork; fully adjustable
Rear Suspension	12.4-in travel
Front Brake	Single disc, 250mm
Rear Brake	Hydraulic single disc brake, 245mm
Width	32.5 inches