Yamaha yz450f 2012 Service Manual

4-35
BALANCER
BALANCER
REMOVING THE BALANCER
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.
Stator Refer to "AC MAGNETO" section.
1 Nut (balancer) 1 Refer to removal section.
2 Nut (primary drive gear) 1 Refer to removal section.
3 Nut (balancer shaft driven gear) 1 Refer to removal section.
4 Lock washer 1
5 Balancer 1
6 Straight key 1
7 Conical washer 1
8 Primary drive gear 1
9 Balancer shaft drive gear 1
10 Lock washer 1
11 Balancer shaft driven gear 1

Yamaha yz450f 2012 Specifications

General

Bore x Stroke	97.0mm x 60.8mm
Compression Ratio	12.5:1
Fuel Delivery	Fuel Injection
Transmission	5-speed
Final Drive	Chain
Tires Front	80/100-21
Tires Rear	120/80-19
Wheelbase	58.7 in
Trail	4.6 in
Fuel Capacity	1.6 gal
Wet Weight	245 lb
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Ignition	TCI
Suspension Front	Telescopic fork, 12.2 in travel
Suspension Rear	Swingarm, 12.4 in travel
Brakes Front	Hydraulic single disc brake, 250mm
Brakes Rear	Single disc, 245 mm