Yamaha YZ250F User Manual

CRANKCASE
5-62
8 Left crankcase 1
9 Dowel pin 2
10 Crankshaft 1
11 Oil passage squeeze nozzle 1
For assembly, reverse the disassemble pro-
cedure.
Separating the crankcase
Order Part name Q’ty Remarks
10 Nm (1.0 m
•
kgf, 7.2 ft
•
Ibf)
T
.R
.
12 Nm (1.2 m
•
kgf, 8.7 ft
•
Ibf)
T
.R
.
12 Nm (1.2 m
•
kgf, 8.7 ft
•
Ibf)
T
.R
.
12 Nm (1.2 m
•
kgf, 8.7 ft
•
Ibf)
T
.R.
3
1
5
2
6
4
10
5
6
4
4
4
4
6
911
7
8
9
LT

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