Yamaha 2011 YZ250 User Manual

4-22
CLUTCH
REMOVING THE CLUTCH BOSS
Order Part name Q'ty Remarks
1 Push rod 1 1
2 Circlip 1
3 Washer 1
4 Bearing 1
5 Push rod 2 1
6 Nut (clutch boss) 1 Refer to removal section.
7 Lock washer 1 Refer to removal section.
8 Clutch boss 1 Refer to removal section.
9 Thrust washer [D=ø44mm (1.73 in)] 1
10 Primary driven gear 1
11 Bearing 1
12 Thrust washer [D=ø42mm (1.65 in)] 1
13 Bolt (push lever shaft) 1
14 Push lever shaft 1
75 Nm (7.5 m kg, 54 ft lb)
6 Nm (0.6 m kg, 4.3 ft lb)

Yamaha 2011 YZ250 Specifications

General

Engine Type	249cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke	66.4mm x 72.0mm
Ignition	CDI
Final Drive	Chain
Brakes / Front	Hydraulic single disc brake, 250mm
Brakes / Rear	Hydraulic single disc brake, 245mm
Tires / Front	80/100-21
Tires / Rear	110/90-19
Seat Height	39.1 in
Wheelbase	58.3 in
Ground Clearance	14.2 in
Fuel Capacity	2.1 gal
Transmission	5-speed
Suspension / Front	11.8-in travel
Suspension / Rear	12.4-in travel
Wet Weight	227 lb
Compression Ratio	8.9:1 - 10.6:1