Yamaha yz450f 2012 Service Manual

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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 Dowel pin 2
6 Outer rotor 2 1
7 Circlip 1
8 Inner rotor 2 1
9 Dowel pin 1
10 Oil pump cover 1
11 Outer rotor 1 1
12 Inner rotor 1 1
13 Dowel pin 1
14 Washer 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