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Yamaha YZ450FX

yz450fFT

The AmPro Yamaha Racing YZ450FX is a factory-supported built race machine forged from that of a production cross country model and designed specifically for closed-course off-road racing. Based on the Yamaha flagship YZ450F motocross model, the YZ450FX includes a multitude of specialized upgrades and settings that make it a dominating off-road racer. Top features such as class-leading KYB suspension, a potent fuel-injected engine, compact electric starter system, adjustable engine mapping, and the exclusive Yamaha Power Tuner App all make for a competitive bike built to win in the woods.

Bike

Model YZ450FX
Engine Type 449cc liquid-cooled DOHC 4-stroke; 4 titanium valves
Displacement 449cc
Bore & Stroke 97 x 60.9 mm
Compression Ratio 12.8 : 1
Fuel System Mikuni® fuel injection, 44mm
Transmission System 5-speed; multiplate wet clutch
Final Drive Chain

Chassis

Front Suspension Semi Double Cradle
Front Travel OEM Standard
Rear Suspension Telescopic Fork
Rear Travel 310mm
Front Brakes 26 55’ degree
Rear Brakes 120mm
Front Tyres Swingarm
Rear Tyres 315mm

Dimensions

L x W x H 85.6 in x 32.5 in x 50.0 in
Seat Height 37.6in
Wheelbase 58.3in
Rake (Caster Angle) 27.2°
Trail 4.6 in
Max Ground Clearance 12.6in
Fuel Capacity 2.2gal
Wet Weight 256lb