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2021 YZ450F
2021 YZ450F
2021 YZ450F
2021 YZ450F
Product Details:

The YZ450F takes full profit of the advanced concept behind the rear-slanting engine layout and the new snaking exhaust pipe flow from the back of the cylinder head; attributes that distance the YZ-F family from the competition.

MX Competition
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Born out of the white heat of competition using input from champion motocross riders around the globe. Riders like US AMA Champion Cooper Webb, MX World Champion Romain Febvre, and of course Australian MX1 Champion, CDR Yamaha rider Dean Ferris. 

The all-new ground-breaking YZ450F features the world’s first smartphone engine tuning app on a production motocross bike, as well as electric start and all new engine, compact bilateral beam frame, new bodywork and much more. 

The bar has once again been raised to deliver a class leading 450cc race bike with even more controlability. The new YZ450F heralds a new era of advanced racing technology with a level of power, handling and rider interaction never seen before.

YZ450F’s revolutionary rearward-slanted-cylinder design is an innovative approach to achieve unmatched mass centralisation. Concentrating the motorcycle’s heaviest components (engine mass, fuel tank, exhaust system, and airbox) toward the centre of the machine helps achieve superior, nimble handling.

The aluminum Bilateral Beam frame has been refined further, the swingarm's pivot assembly is 12mm wider, and the aluminium frame's lower rear section is modified to accommodate this stronger design. Redesigned steel engine mounts also contributing towards the increased rigidity of the chassis - and to lower the rider's centre of gravity and give greater freedom in terms of body position, the footrests are mounted 5mm lower.

Races can be won or lost in the charge from the start to the first corner, and in order to give Yamaha riders a key advantage, the 2016 YZ450F is equipped with a sophisticated new Launch Control System (LCS) for smoother and quicker acceleration off the start line.

The exhaust pipe has an innovative layout, circling the cylinder, giving the exhaust pipe proper length for an excellent exhaust-pulse effect. At the same time, the exhaust pipe has three different diameters throughout the exhaust tract, bringing out excellent power characteristics. This new layout allows the silencer to be positioned forward behind the side panel closer to the middle of the bike which centralises the mass for superior handling.

A new layout for the fuel tank and air cleaner box gives the machine a slimmer feeling between the legs as well as position's the fuel tank mass closer to the centre of the bike which improves handling feel. Furthermore, the air box can now be accessed with quick release fastners for easy serviceability of the large air cleaner element.

Optional accessory, GYTR Power Tuner lets bike tuners adjust air/fuel mixture and ignition timing maps to match engine performance characteristics to the rider and track conditions.

Engine TypeLiquid cooled 4-stroke, DOHC, 4-valve
Displacement449 cc
Bore x Stroke97.0 x 60.8 mm
Compression Ratio12.5 : 1
Lubrication SystemWet sump
Fuel ManagementFuel Injection
Starter SystemKick
Fuel Tank Capacity7.5 L
Oil Capacity0.95 L
Final TransmissionChain
TransmissionConstant mesh 5-speed
Length2180 mm
Width825 mm
Height1280 mm
Seat Height965 mm
Wheelbase1480 mm
Ground Clearance330 mm
Dry Weight106 kg
Wet Weight112 kg with 7.5 litres of fuel
Frame TypeBilateral beam frame
Suspension FrontTelescopic fork, 310mm travel
Suspension RearSwingarm (link suspension), 315mm travel
Brakes FrontHydraulic disc, 270mm
Brakes RearHydraulic disc, 245mm
Tyres Front80/100-21 51M
Tyres Rear110/90-19 63M