Yamaha YZ250F 2008 Service Manual

4-40
OIL PUMP
OIL PUMP
REMOVING THE OIL PUMP
Order Part name Q'ty Remarks
Primary driven gear Refer to "CLUTCH" section.
Right crankcase cover
Refer to "OIL FILTER ELEMENT AND WA-
TER PUMP" section.
1 Circlip 1
2 Washer 1
3 Oil pump drive gear 1
4 Oil pump assembly 1
5 Outer rotor 2 1
6 Circlip 1
7 Inner rotor 2 1
8 Dowel pin 1
9 Oil pump cover 1
10 Outer rotor 1 1
11 Inner rotor 1 1
12 Dowel pin 1
13 Washer 1
14 Oil pump drive shaft 1

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