So, you've decided to explore the performance specs of Yamaha motocross bikes. Well, you're in for a treat! Yamaha has been at the forefront of motocross innovation for years, constantly pushing the boundaries of what these bikes are capable of.
From engine specifications to suspension and handling, weight and dimensions, and even the braking system, Yamaha has left no stone unturned in their quest for perfection. And let's not forget about the exciting new-generation engine that promises increased power and exhilaration.
But I won't keep you waiting any longer; let's dive into the thrilling world of Yamaha motocross bikes and discover the performance specs that make them truly exceptional.
Key Takeaways
- Yamaha motocross bikes are powered by a 449cc liquid-cooled DOHC 4-stroke engine with 4 titanium valves, delivering impressive power and performance.
- The bikes feature a KYB Speed-Sensitive System inverted fork and fully adjustable KYB single shock, providing smooth handling and control on the track.
- With a weight of 234 pounds when wet, Yamaha motocross bikes offer quick acceleration and nimble movement.
- The bikes are equipped with a hydraulic disc braking system, complemented by high-quality tires, ensuring reliable and powerful stopping performance.
Engine Specs
The engine specs of Yamaha motocross bikes showcase a powerful and high-performance machine. Equipped with a 449cc liquid-cooled DOHC 4-stroke engine boasting 4 titanium valves, this engine type is known for its exceptional performance and reliability. The DOHC (Dual Overhead Camshaft) design ensures precise and efficient valve control, resulting in improved power delivery and overall performance.
With a bore x stroke measurement of 97.0mm x 60.8mm, this engine is optimized to provide a balance between power and torque. The compression ratio of 13.0:1 further enhances the engine's performance by maximizing the combustion efficiency.
Fuel delivery is handled by Yamaha Fuel Injection (YFI) system with a Keihin 44mm throttle body, ensuring smooth and responsive throttle response. The ignition system utilizes Transistor Controlled Ignition (TCI) technology, providing precise ignition timing for optimal performance.
These engine specs contribute to the motocross bike's impressive power-to-weight ratio, allowing riders to experience exhilarating acceleration and top speed. Whether you're a professional racer or a weekend rider seeking liberation on the motocross track, the engine specs of Yamaha motocross bikes deliver the performance you desire.
Suspension and Handling
Featuring a state-of-the-art suspension system and advanced handling capabilities, the Yamaha motocross bikes redefine the standards of performance in the world of off-road racing. Equipped with the KYB Speed-Sensitive System inverted fork and fully adjustable KYB single shock, these dirt bikes offer impeccable suspension. With 12.2 inches of front travel and 12.5 inches of rear travel, the Yamaha bikes can absorb the harshest bumps and jumps on the track, ensuring a smooth and controlled ride.
To enhance stopping power, the bikes are equipped with hydraulic disc brakes. With a 270mm disc in the front and a 245mm disc in the rear, the Yamaha motocross bikes deliver precise and powerful braking capabilities. This allows riders to maintain control and maneuverability even in the most demanding situations.
The Yamaha motocross bikes have been carefully designed to optimize handling and maneuverability. The narrow bodywork, redesigned suspension components, and weight reduction contribute to improved control and responsiveness. With a long wheelbase of 58.1 inches and a maximum ground clearance of 13.2 inches, these bikes offer stable handling and the ability to tackle challenging terrain with ease.
Whether you're racing motocross or taking on cross-country trails, the Yamaha motocross bikes are engineered to deliver exceptional handling and precise control. With their superior suspension system and advanced handling capabilities, these bikes are the choice of champions in the world of off-road racing.
Weight and Dimensions
Engineered for optimal performance, the Yamaha motocross bikes boast impressive weight and dimensions that contribute to their exceptional handling and maneuverability on the track.
When it comes to weight, these bikes are designed to be lightweight, weighing in at just 234 pounds when wet. This lightweight design allows for quick acceleration and nimble movement, giving you the freedom to navigate tight corners and conquer challenging terrain with ease.
In terms of dimensions, the Yamaha motocross bikes have been carefully crafted to maximize performance. With a length of 85.6 inches, a width of 32.5 inches, and a height of 50.6 inches, these bikes strike the perfect balance between stability and agility. The seat height of 38.2 inches ensures a comfortable riding position while still allowing for optimal control.
One key factor that contributes to the Yamaha motocross bikes' impressive performance is their ground clearance. With a maximum ground clearance of 13.2 inches, these bikes can easily handle obstacles such as rocks, roots, and ruts without getting hung up.
Braking System
Utilizing a hydraulic disc braking system, the Yamaha motocross bikes deliver reliable and powerful stopping performance on various terrains and conditions. The front and rear brakes are equipped with hydraulic disc brakes, ensuring that riders of all experience levels can confidently navigate the track or trail. With a 270mm disc in the front and a 245mm disc in the rear, the Yamaha motocross bikes provide optimal control and modulation for precise braking. This braking system is complemented by the bikes' high-quality tires, with the front and rear featuring Dunlop MX33 tires for enhanced grip and stability during braking maneuvers.
The braking system of the Yamaha motocross bikes is designed to give riders the confidence and control they need to navigate the toughest tracks and trails. The hydraulic disc brakes offer consistent stopping power, allowing riders to brake hard and effectively when needed. The braking performance is further enhanced by the fully adjustable front and rear suspension systems, which work in harmony with the brakes to provide optimal handling and stability during braking.
Whether you're a beginner or an experienced rider, the braking system of the Yamaha motocross bikes will give you the confidence to push your limits and explore new terrain. With its reliable and powerful stopping performance, you can tackle any obstacle with ease.
Performance Features
Yamaha motocross bikes showcase exceptional performance features that elevate their agility, power, and control on any terrain. These bikes are an excellent choice for riders who desire liberation and want to push their limits.
Equipped with a 450cc liquid-cooled DOHC four-stroke engine, these bikes deliver impressive power and performance. The redesigned engine and chassis, along with the narrower bodywork and revised suspension components, contribute to improved agility and reduced weight.
With 54.4 horsepower and 32.7 lb.-ft. of torque, the engine showcases its high-performance capabilities. The suspension components, including the KYB Speed-Sensitive System inverted fork and fully adjustable shocks, provide smooth handling and control on various terrains.
To further enhance performance, Yamaha motocross bikes feature hydraulic disc brakes, chain final drive, and high ground clearance. These features make them suitable for aggressive motocross and cross-country racing.
Whether you're tackling jumps, berms, or rough terrains, Yamaha motocross bikes offer the performance features needed to excel.
Conclusion
So there you have it, my friend. Yamaha motocross bikes are the epitome of performance. With their redesigned engine and chassis, they offer increased power and agility.
The engine specs boast impressive displacement and compression ratios, while the suspension and handling provide a smooth and controlled ride. And let's not forget about the reduced weight, making these bikes nimble and responsive.
So if you're looking for a thrilling motocross experience, look no further than Yamaha. Happy riding!
