Yamaha YZ450F 2011 Service Manual

5-28
STEERING
STEERING
REMOVING THE STEERING
Order Part name Q'ty Remarks
TIGHTENING STEPS:
• Tighten ring nut. 38 Nm (3.8 m•kg, 27 ft•lb)
• Loosen it one turn.
• Retighten it. 7 Nm (0.7 m•kg, 5.1 ft•lb)
Hold the machine by placing the suitable stand
under the engine.
Refer to "HANDLING NOTE".
Number plate
Refer to "SEAT AND SIDE COVERS" section
in the CHAPTER 4.
Handlebar Refer to "HANDLEBAR" section.
1 Front fender 1
2 Steering stem nut 1
3 Front fork 2 Refer to "FRONT FORK" section.
4 Upper bracket 1
5 Steering ring nut 1 Refer to removal section.
6 Lower bracket 1
7 Bearing race cover 1
8 Upper bearing 1
9 Lower bearing 1 Refer to removal section.

Yamaha YZ450F 2011 Specifications

General

Engine Type	449cc liquid-cooled DOHC 4-stroke; 4 titanium valves
Bore x Stroke	97.0mm x 60.8mm
Compression Ratio	12.5:1
Fuel Delivery	Fuel injection
Transmission	5-speed
Final Drive	Chain
Brakes / Front	Hydraulic single disc brake, 250mm
Brakes / Rear	Hydraulic single disc brake, 245mm
Tires / Front	80/100-21
Tires / Rear	120/80-19
Wheelbase	58.7 in
Rake (Caster Angle)	26.9°
Fuel Capacity	1.6 gal
Wet Weight	245 lb
Ignition	TCI: Transistor Controlled Ignition
Suspension / Front	KYB Speed-Sensitive System, inverted fork; 12.2-in travel