Yamaha YZ250F User Manual

OIL PUMP AND BALANCER GEAR
5-52
EAS1SM5266
OIL PUMP AND BALANCER GEAR
Removing the oil pump
Order Part name Q’ty Remarks
Primary driven gear Refer to “CLUTCH” on page 5-35.
Right crankcase cover Refer to “CLUTCH” on page 5-35.
1 Oil pump assembly 1
2 Oil pump cover 1
3 Outer rotor 1
4 Dowel pin 1
5 Inner rotor 1
6 Oil pump drive shaft 1
7 Rotor housing 1
For installation, reverse the removal proce-
dure.
2.0 Nm (0.20 m
•
kgf, 1.4 ft
•
Ibf)
T
.R
.
5 Nm (0.5 m
•
kgf, 3.6 ft
•
Ibf)
T
.R
.
LT
E
3
2
1
4
5
7
6

Yamaha YZ250F Specifications

General

Displacement	250cc
Bore x Stroke	77.0 mm x 53.6 mm
Final Drive	Chain
Suspension / Rear	KYB® single shock; fully adjustable, 12.5-in travel
Brakes / Front	Hydraulic single disc brake, 270mm
Brakes / Rear	Hydraulic single disc brake, 240mm
Fuel Capacity	1.6 gal
Engine Type	Liquid-cooled, DOHC, 4-stroke
Fuel Delivery	Fuel injection
Ignition	TCI
Transmission	5-speed; multiplate wet clutch
Suspension / Front	KYB® Speed-Sensitive System inverted fork; fully adjustable, 12.2-in travel
Tires / Front	80/100-21