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YAMAHA YZ450F Models/Series Timeline, Specifications & Photos

Generations: 12
First production year: 2002
YAMAHA YZ450F photo gallery

The 2013 YZ450F is an all-new bike, featuring a new EFI engine, an entirely new frame, updated suspensions and many other upgrades which make it a great off-road bike for both competition and outdoor recreational use. Even the bodywork was redesigned, for a more minimalist attire, enhancing both mass centralization and the overall feel of the bike.

According to those who tested it, the 2103 Yamaha YZ450F feels and handles like a 250cc-class machine, but with all the power and the dirt aggression of a class-leading 450 machine. With the new aluminium frame, a lot had chanced for better rider comfort and even the exhaust system was redesigned for better weight distribution and higher performance.

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YAMAHA YZ450F photo gallery

The 2013 MY Yamaha YZ450F boasts extreme capabilities for the motocross skilled racer and it's revolutionary engine set new trends in the world of 4-stroke off-road bikes.

Boasting a centralized mass construction, the YZ450F is incredibly easy to handle and cornering is made easy in any situation. 2013 brings new forks and a damping control rear shock, while the optional GYTR Power Tuner lets the discerning user adjust the fuel/air mixture and ignition, for the optimal performance according to riding style and need.

The fuel tank is positioned under the seat for a lower center of gravity and better steering. The YZ450F is the perfect tool for those looking for a powerful yet highly manageable off-road/ dirt bike.

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YAMAHA YZ450F photo gallery

The 2012 MY Yamaha YZ450F sports a revised fuel injection settings (mapping for injection and advance) and offers smooth, controllable engine response in the low-to-mid-rpm range.

Boasting a centralized mass construction, the YZ450F is incredibly easy to handle and cornering is made easy in any situation. 2013 brings new forks and a damping control rear shock, while the optional GYTR Power Tuner lets the discerning user adjust the fuel/air mixture and ignition, for the optimal performance according to riding style and need.

The fuel tank is positioned under the seat for a lower center of gravity and better steering. The YZ450F is the perfect tool for those looking for a powerful yet highly manageable off-road/ dirt bike.

full description and technical specifications
YAMAHA YZ450F photo gallery

The 2011 MY YZ450F is Yamaha's top off-road performer, a bike incorporating a lot of works-developed technologies and components. Built with the racing program experience, the YZ450F is a bike for true racers. It sports explosive power and incredible maneuverability, plus ergonomics specially formulated for competition use. The weight optimization brings everything closer to the center of the bike, into the newly-revised bilateral beam aluminium frame. The suspension is also all-new for this model year.

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YAMAHA YZ450F photo gallery

The 2010 MY YZ450F arrives with a lot of improvement,s which start with the rear-slanted cylinder and repositioned intake and exhaust ports, better-distributed, more centralized mass and premium fuel injection system. Yamaha adds a new swingarm, longer suspension travel, a completely new bilateral beam frame and new fuel tank.

Other news about the 2010 MY YZ450F include a new rear sprocket shape, new triple clamps, fenders, skidplate and an optional YZ Power Tuner system for on-site adjustments to the engine mappings.

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YAMAHA YZ450F photo gallery

The YZ450F is the top-of-the-line competition bike, packing almost scary amounts of torque and top-end power to put a big grin on the faces of experienced riders. Often referred to as the ultimate step in motocross machines, the 2009 model year brings new camshafts, a shorty, lighter muffler and a new intake design for better performance across the whole rev range.

This model year also used a revised frame and a new 48mm fork. As for the rest, the YZ450F stands as one of the best packages in the business, with a beastly 449cc 5-valve, 4-stroke liquid-cooled mill generating all the dirt fun.

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YAMAHA YZ450F photo gallery

A lot of structural upgrades have been implemented in the 2008 MY YZ450F, starting from the steering head and extending to minute details, such as the wider foot pegs, fork protectors, upper and lower triple clamps. The width of the rear tire was also changed for improved traction.

Multiple engine tweaks ensure better performance: a revised intake, elimination of power loss caused by the pumping effect, carburetor revisions and a new titanium header. Cue a new aluminium handlebar and new mounts for it, better brakes and rotors, and more,a ll with one single goal: making you accelerate faster, turn better, claim more wins.

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YAMAHA YZ450F photo gallery

The 2007 MY of the YZ450F carries on the new performance standards introduced by the previous year model. What started out as a new engine in a new chassis has been revised and tweaked for even better grunt and more precise power management. The 2007 MY got a new exhaust cam, revised fuel delivery and a new exhaust system.

Several brake and suspension elements have been redesigned for weight loss, while the rear monoshock was optimized for better response to demanding situations. The clutch now has a stronger pressure plate, while fewer steel plates reduce heat build-up and provide a lighter lever pull.

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YAMAHA YZ450F 50th Anniversary photo gallery

Not only does the 2005 YZ450F 50th Anniversary share all the technological upgrades with its base version, but it also brings forth a special livery. Like all the other anniversary models in the generation, the 2005 YZ450F 50th Anniversary comes with a striking yellow livery with factory-like black and white accents.

Even though some might mistake it for a Suzuki in the heat of the dirt track battle, this machine is all Yamaha technology at its best. 2005 brings a new frame and swingarm, a thoroughly revised engine and a noticeable better performance in handling and power delivery.

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YAMAHA YZ450F photo gallery

The YZ450F is the flagship off-road bike in Yamaha's 2005 line-up and it comes as an all-new machine, with a new engine, new frame and obviously, a new transmission. The YZ450F was improved in all sectors, from the high-performance, hi-revving titanium valves to the new intake, modified inclination angle for the cylinder, a more centralized mass and easier servicing.

Multiple works' style features have also been implemented, and the 2005 YZ450F is ready to take on the roughest tracks and help you start gathering trophies. Suspensions have not been overlooked, with revalving adding more precision to the ground tracking job and offering better directional control.

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YAMAHA YZ450F photo gallery

The 2003 YZ450F gets 48mm upside down forks with revised setting for a smooth, progressive feel and exceptional ground contact in the most demanding of scenarios. An all-titanium valve head allowing continued operation near the red line, a counterbalancer, revisions for other internals and more are making the engine of the 2003 YZ450F a high-performing lump for thrill-seekers.

Add in a heavy-duty clutch, a strong and stiff steel frame, sturdy wheels and a better auto-decompression system to up the ante even more and prove that this beast is really able to bring in trophy after trophy.

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YAMAHA YZ450F photo gallery

The 2002 YZ450F is the top-drawer dirt bike in Yamaha's line-up , and it comes with a new 449cc engine, with liquid cooling and a 5-titanium-valve architecture, and redesigned automatic decompression for easier starts. The clutch is also new, and sports bigger plates for a more resilient performance under stress, while the all-new 4-speed transmission was revised for more explosive power deployment, one thing skilled riders really appreciate.

A new suspension was installed, alongside stronger brakes and lighter frame and swingarm, all for razor-sharp handling regardless of how difficult the terrain might be.

full description and technical specifications