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Yamaha YZ450FX: A Dominant Force in Off-Road Racing

The Yamaha YZ450FX is a powerful off-road racing bike that has taken the industry by storm. With its impressive features and state-of-the-art technology, this bike has become a dominant force in the world of off-road racing. Whether you’re a professional racer or simply looking for a bike to take on challenging terrain, the Yamaha YZ450FX is a top choice. In this article, we’ll take a closer look at what makes this bike so special.

Is the Yamaha YZ450FX’s Engine durable?

One of the most impressive features of the Yamaha YZ450FX is its power. This bike is equipped with a 450cc liquid-cooled four-stroke engine that delivers outstanding performance. The engine is paired with a 5-speed transmission that provides smooth and precise shifting, allowing riders to make quick adjustments as they navigate through rough terrain.

ENGINE of the Yamaha YZ450FX

  • Type: 4-stroke single
  • Displacement: 449cc (250: 250cc)
  • Bore x stroke: 97.0 x 60.9mm (250: 77.0 x 53.6mm)
  • Compression ratio: 13.0:1 (250: 13.8:1)
  • Valve train: DOHC w/ four titanium valves
  • Fuel delivery: Mikuni EFI w/ 44mm throttle body
  • Transmission: Wide-ratio 5-speed (250: Wide-ratio 6-speed)
  • Clutch: Wet multiplate
  • Final drive: Chain

What’s special about the Yamaha YZ450FX FRAME?

  • Front suspension; travel: Fully adjustable KYB Speed-Sensitive System inverted fork; 12.2 inches
  • Rear suspension; travel: Linkage-assisted fully adjustable KYB shock; 12.5 inches
  • Rims: Excel
  • Tires: Dunlop Geomax MX33
  • Front tire: 80/100 x 21
  • Rear tire: 120/90 x 18 (250: 110/110 x 18)
  • Front brake: 270mm disc
  • Rear brake: 240mm disc


  • Wheelbase: 58.3 inches
  • Rake: 27.2 degrees
  • Trail: 4.6 inches
  • Seat height: 37.6 inches
  • Ground clearance: 12.6 inches
  • Fuel capacity: 2.16 gallons
  • Wet weight: 254 pounds (250: 245 pounds)
  • Color: Team Yamaha Blue

The Technology Behind the Yamaha YZ450FX

The Yamaha YZ450FX is packed with advanced technology that enhances its performance and handling. One of the standout features is the electric starter, which makes it easy to get the bike up and running quickly. Additionally, the bike has a fuel injection system that ensures smooth and consistent power delivery, even in extreme conditions.

Another notable technology feature of the Yamaha YZ450FX is the advanced suspension system. The bike is equipped with a KYB speed-sensitive fork and shock absorber, which work together to provide exceptional handling and control. The suspension system is adjustable, allowing riders to fine-tune the bike’s performance to suit their riding style and preferences.




Model Year




Model Code



Team Yamaha Blue



Front – Hydraulic disc, 270 mm

Rear – Hydraulic disc, 240 mm


Front – 80 / 100-21 Dunlop® Geomax MX33F

Rear – 120 / 90-18 Dunlop® Geomax MX33


Length: 85.6 in.

Height: 50.4 in.

Width: 32.5 in.

Weight: Wet – 254 lb.

Ground Clearance: Maximum – 12.6 in.

Wheelbase: 58.3 in.

Seat Height: 37.6 in.


Transmission: 5-speed

Final Drive: Chain


Engine: DOHC 4-stroke; 4 titanium valves

Cooling: Liquid

Displacement: 450 cc

Bore x Stroke: 97.0 x 60.9 mm

Compression Ratio: 13.0:1

Clutch: Multiplate wet

Fuel System: Mikuni® fuel injection, 44 mm

Fuel Capacity: 2.2 gal.


Front Suspension: KYB® spring-type fork with speed sensitive damping; fully adjustable

Travel: 12.2 in.

Rear Suspension: KYB® single shock; fully adjustable

Travel: 12.5 in.

Rake: 27.2°

Trail: 4.6 in.



30 Day (Limited Factory)

Yamaha YZ450FX: Built for the Most Challenging Terrain

The Yamaha YZ450FX is built to handle the toughest off-road terrain. The bike’s lightweight aluminum frame and slim design make it easy to maneuver, while the high ground clearance ensures that riders can tackle even the most challenging obstacles. The bike also features powerful brakes that provide excellent stopping power, allowing riders to maintain control in any situation.

The Comfort of the Yamaha YZ450FX

While the Yamaha YZ450FX is built for high-performance racing, it doesn’t sacrifice comfort. The bike has a comfortable seat and ergonomic handlebars that provide a natural and comfortable riding position. Additionally, the bike’s cooling system is designed to keep the engine and transmission cool, even in extreme conditions, ensuring that riders can stay comfortable throughout their ride.

The Verdict: The Yamaha YZ450FX is a Top Choice for Off-Road Racing

Overall, the Yamaha YZ450FX is a top choice for anyone looking for a high-performance off-road racing bike. With its powerful engine, advanced technology, and exceptional handling, this bike is sure to impress even the most experienced riders. Whether you’re a professional racer or simply looking for a bike to take on challenging terrain, the Yamaha YZ450FX is a bike that you should definitely consider.

So, what are you waiting for? Head to your local Yamaha dealer and check out the Yamaha YZ450FX for yourself. With its impressive features and top-of-the-line performance, it’s sure to be a bike that you won’t soon forget!Continue





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