Yamaha wr250f User Manual

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ENG
BALANCER
BALANCER
Extent of removal: 1 Balancer shaft drive gear 2 Balancer shaft
Extent of removal Order Part name Q’ty Remarks
BALANCER REMOVAL
Preparation for removal Primary driven gear Refer to “CLUTCH” section.
Right crankcase cover Refer to “OIL FILTER ELEMENT,
WATER PUMP AND RIGHT CRANK-
CASE COVER” section.
Stator Refer to “CDI MAGNETO” section.
1 Nut (primary drive gear) 1
Refer to “REMOVAL POINTS”.
2 Nut (balancer shaft driven gear) 1
3 Lock washer 1
4 Primary drive gear 1
5 Balancer shaft drive gear 1
6 Lock washer 1
7 Balancer shaft driven gear 1
8 Balancer shaft 1 Refer to “REMOVAL POINTS”.
2
1
2

Yamaha wr250f Specifications

General

Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Displacement	250cc
Bore x Stroke	77.0 mm x 53.6 mm
Fuel System	Fuel injection
Ignition	TCI
Final Drive	Chain
Tires Front	80/100-21
Width	32.5 in
Wheelbase	58.3 in
Suspension Rear	KYB® single shock; fully adjustable
Brakes Front	Hydraulic single disc
Brakes Rear	Hydraulic single disc