YAMAHA YZ450F

Motorcycle Database

Model Name:YZ450F

Manufacturer:YAMAHA

Model Year:2006

YZ450F had been leaving its mark as the pioneer of a 4-stroke motocrosser motorcycle. Its MY2007 had improved it power characteristics and reliability by changing its exhaust valve timing, carburetor setting, ignition timing, balancer ratio, clutch system, exhaust pipe diameter, and its handling characteristics. It became even more maneuverable by using light aluminum forged parts to its front area, adopting a wave disc rotor, or remodeling its rear suspension.

Specifications:

[Basic spec]

ManufacturerYAMAHAEngine TypeWater-Cooled 4 Stroke DOHC 5-Valve
Model NameYZ450FStarterKick Starter
Grade-Maximum Output (ps)60.0ps(44.1kw)/9000rpm
Drive Train-Maximum Torque (kgf/m)5.4kg-m(52.9N-m)/6500rpm
Model Type-Curb Weight110 (Approximate Value)
Displacement449Dry Weight99.8
Sales Launch Year2006/9Fuel Efficiency by Catalog-
Height/Width/Length1306/-/2192Fuel Tank Capacity7
Seat Height989Distance to Empty-
Front Tire Indication80/100-21 51M WTFuel SupplyCarburetor
Rear Tire Indication110/90-19 62M WT

[Service data]

Standard Plug-Chain Size520
Number of Used Plugs-Chain Link Number114
Engine Oil Amount1.2Battery Code-
Engine Oil (Refill)0.95LHeadlight-
Engine Oil (Element Replacement)1.0LHeadlight Type-
Front Blinker Rating-Headlight Remarks-
Drive Sprocket Teeth Number13Tail Light Rating-
Driven Sprocket Teeth Number49Rear Blinker Rating-

[Machine detail]

Motor Model Code-Caster Angle27.0 Degrees
Bore (mm)95Trail (mm)116.1
Storke (mm)63.4Minimum Ground Clearance-
Compression Ratio12.3Distance Between Axes-
Ignition MethodC.D.I.Streering Angle (Right)-
Engine Lubrication TypeDry SumpTurning Angle (Left)-
Frame TypeSemi Double CradleMirror Screw Hole Diameter-
Minimum Rotaion Radius-Fuel Tank Reserve Capacity-

[Underbody detail]

Front Brake TypeHydraulic Single DiscSuspension Type (Rear)Swing Arm
Front Brake Remarks-Number of Rear Shock Absorbers-
Rear Brake TypeHydraulic Single DiscRear Suspension Stroke-
Rear Brake Remarks-Rear Wheel Travel-
Suspension Type (Front)TelescopicABS-
Front Fork Type-Drive Train-
Front Suspension Stroke-Differential Oil Amount-
Front Fork Diameter-Chain Remarks-

[Equipment]

Seat Lowering Allowance-Theft Prevention Device-
Mirror Screw Hole Diameter-Tail Light Bulb Type-
Mirror Remarks-Tail Light Base Shape-
Electronic Device Remarks-Tail Light Base Shape 2-
Fuel Gauge-Tail Light Remarks-
Clock-Front Blinker Bulb Type-
Hazard-Front Blinker Base Shape-

[Engine detail]

Clutch TypeWet Multiple PlateTappet Clearance (mm) EX-
TransmissionPermanently Engaged 5-Stage Advance ShiftIdling Initial Value (rpm)-
Number of Gears5Needle Steps (Clip Location)-
Gear Ratio1.929 / 1.533 / 1.278 / 1.091 / 0.952Float Level (mm)-
Primary Reduction Ratio2.652Air Screw Return-
Secondary Reduction Ratio3.769Main Jet Type-
Variable Speed Vehicle Gear Ratio-Main Jet Number-
Tappet Clearance (mm) IN-

[Other spec]

Clutch Cable Length-Rear Brake Cable Length-
Choke Cable Length-Other Cables-
Meter Cable Length-Engine Number (Production Launch)-
Throttle Cable Length-Engine Number (Production End)-
Front Brake Cable Length-

[See Moto Index of YAMAHA]
[See Accessories for YAMAHA YZ450F]

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