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Blacktown Yamaha

Home / Offroad /Motocross / YZ450F

YZ450F

yamaha-yz450f
Yamaha YZ450F for Sale at Blacktown Yamaha in Kings Park, NSW | Specifications and Review Information

Yamaha YZ450F for Sale at Blacktown Yamaha in Kings Park, NSW | Specifications and Review Information

The 2021 YZ450F returns with all of the class-leading features first introduced on the 2020 YZ450F, including an updated engine, cylinder head, frame and technology features for a lighter, more powerful and better handling motocross experience.

Racers can achieve quicker, smoother race starts through Yamaha's Launch Control System, adjust their on-track performance using the onboard wireless connectivity through the free of charge Yamaha Power Tuner App right from their phone, and choose between two user-defined ECU maps on the fly through the handlebar-mounted dual-mode engine map switch.

UPRATED BRAKES

UPRATED BRAKES

A more rigid front caliper with progressive pad material and a larger contact patch works with revised, lighter 270mm front disc for improved braking performance and modulation while a lightweight rear caliper and rear disc feature increased heat dissipation and reduce unsprung weight.

COMPACT ELECTRIC START

COMPACT ELECTRIC START

The new 450 engine is equipped with a compact and lightweight electric starter that gives push-button convenience and saves valuable seconds when restarting under pressure during a race. Powered by a high capacity four-cell lithium-ion battery, it keeps the 2021 YZ450F's weight down to a minimum.

ADJUSTABLE MAPPING SWITCH

ADJUSTABLE MAPPING SWITCH

After pre-programming the YZ450F, there's a handlebar-mounted mapping switch (blue button) that enables the rider to select one of two maps on the fly. This simple adjustment allows instant mapping changes to suit changing track or weather conditions, from a super-aggressive map for fast dry tracks to a more useable map on muddy surfaces.

INDUSTRY LEADING SUSPENSION

INDUSTRY LEADING SUSPENSION

The YZ450F is equipped with fully adjustable coil spring twin-chamber KYB® forks that are widely regarded as being the ultimate in off-road suspension design. Featuring new settings and speed-sensitive damping that gives the idealised balance between handling and bump absorption, these exceptional front forks deliver best-in-class performance.

LAUNCH CONTROL SYSTEM

LAUNCH CONTROL SYSTEM

The YZ450F's Launch Control System (LCS) optimises the engine's power output and running characteristics during the first few seconds of the race after the gate drops. By helping to transmit power more efficiently, the LCS gives greater controllability and traction off the line, increasing the rider's holeshot-winning performance and giving a real advantage in the crucial charge to the first corner.

LIGHT ALUMINIUM FRAME

LIGHT ALUMINIUM FRAME

To reduce weight and fine tune the bike's instinctive handling performance, the new bilateral frame features thinner main spars together with thicker bottom tubes and new engine mounts. These significant changes - together with the mass centralised design and class-leading suspension - help to deliver even sharper handling for reduced lap times.

YAMAHA SMARTPHONE TUNING

YAMAHA SMARTPHONE TUNING

By downloading the free Power Tuner app for IOS or Android devices, YZ450F riders or mechanics can easily adjust the fuel/air mix and ignition timing to set the bike up for different tracks and changing riding conditions. This feature makes the 2020 YZ450F the most adaptable motocross machine that can be tuned instantly at the trackside, enabling its rider to master a wide range of surfaces and weather conditions.

MORE POWERFUL AND COMPACT ENGINE

MORE POWERFUL AND COMPACT ENGINE

Already renowned for its enormous power output, the YZ450F engine has been thoroughly redesigned for 2020 to deliver stronger and more controllable performance. The new engine is significantly more compact and lighter, and the revised configuration enhances the bike's mass centralised design to make it one of the easiest-handling open class motocross machines.

Technical Specifications

 

Engine

 

Engine Type Liquid-cooled 4-stroke, DOHC, 4-valve
Displacement (cc) 449.0
Bore x Stroke (mm) 97.0 × 60.9
Compression Ratio 13.0 : 1
Lubrication System Wet sump
Fuel Management Fuel Injection
Ignition TCI
Starter System Electric
Fuel Tank Capacity (L) 6.2
Final Transmission Chain
Transmission Constant mesh, 5-speed

 

Chassis

 

Frame Type Bilateral Beam
Suspension Front Telescopic forks, 310mm travel
Suspension Rear Swingarm (link suspension), 317mm travel
Brakes Front Hydraulic single disc, 270 mm
Brakes Rear Hydraulic single disc, 240 mm
Tyres Front 80/100-21 Dunlop MX33
Tyres Rear 120/80-19 Dunlop MX33

 

Dimensions

 

Length (mm) 2185
Width (mm) 825
Height (mm) 1275
Seat Height (mm) 965
Wheelbase (mm) 1481
Ground Clearance (mm) 330
Wet Weight (kg) 111