fits model: 450f, Yz. make: Yamaha. year: 2014–2017.

( Brand: Major ), ( Manufacturer Part Number: C-BB-YZ450F-1417 ), ( Part Type: Cylinder )
Introducing the C-BB-YZ450F-1417 Big Cylinder Kit from our esteemed brand, designed specifically for the Yamaha YZ 450F models from 2014 to 2017. This kit is a significant upgrade for your machine, offering enhanced power and performance.
The kit includes a large 99mm bore cylinder, which increases the displacement to a powerful 468cc. This larger cylinder allows for more fuel and air mixture to be drawn into the engine, resulting in a substantial boost in power and torque. The 2mm oversize piston and rings in the kit are tailored to work seamlessly with the larger cylinder, ensuring optimal engine efficiency and longevity.
The C-BB-YZ450F-1417 kit also includes a high-quality cylinder head porting kit. This kit allows for precise adjustments to the porting, further enhancing the engine's ability to draw in and burn fuel efficiently. The result is a more powerful and responsive engine, capable of delivering improved acceleration and a smoother, more consistent power delivery.
Installing the C-BB-YZ450F-1417 kit is a straightforward process, with all necessary hardware included in the kit. The kit is designed to be a direct bolt-on upgrade, requiring no modifications to your existing engine or frame. However, we recommend that the installation is carried out by a professional mechanic or someone with extensive experience working on high-performance engines to ensure proper installation and tuning.
In conclusion, the C-BB-YZ450F-1417 Big Cylinder Kit is a must-have upgrade for any Yamaha YZ 450F rider seeking to enhance their machine's performance. With its larger cylinder, improved porting, and straightforward installation, this kit will take your YZ 450F to new heights of power and speed.
Pros of buying a C-BB-YZ450F-1417 big cylinder kit for Yamaha YZ 450F 2014-2017:1. Increased Power: The kit includes a larger cylinder, which can potentially increase the power output of your YZ 450F. This can lead to improved performance on the track or trail.
2. Enhanced Top-End Power: The 99mm bore size of the kit is designed to provide better top-end power, making your bike more suitable for high-speed situations.
3. Potential Improvement in Torque: The increased displacement of the engine (from 449cc to 468cc) might also lead to improved torque, making your bike more responsive and easier to ride.
4. Customization: Installing the kit allows you to customize your bike to suit your specific riding style and needs.
Cons of buying a C-BB-YZ450F-1417 big cylinder kit for Yamaha YZ 450F 2014-2017:1. Complex Installation: Installing the kit can be a complex process and may require professional assistance. It involves disassembly of the engine and other components, which can be time-consuming and costly.
2. Potential Engine Issues: The kit might cause issues with engine balance, timing, or other critical engine parameters if not installed correctly. This can lead to engine damage or decreased performance.
3. Increased Cost: The kit itself is expensive, and the installation cost can add up significantly. Additionally, the increased power might require modifications to other components of the bike, such as the exhaust or suspension, which can also add to the overall cost.
4. Void of Warranty: Installing aftermarket parts like this kit can void your bike's warranty. This means that any issues arising from the installation or use of the kit might not be covered under warranty.
Conclusion:The C-BB-YZ450F-1417 big cylinder kit offers the potential for improved performance, but it comes with significant costs and risks. If you are an experienced mechanic and are comfortable with the installation process, and if you are willing to accept the increased risk and cost, then the kit could be a worthwhile investment. However, for less experienced riders or those who value their bike's warranty, it might be wiser to stick with the stock engine.
Standard picture shown and actual parts may vary from.
5:1 2mm 99mm piston 468cc retail: 649. Super convenient - just purchase and install bolt on, no machining required virtually identical in appearance to stock nickel silicon carbide plated for long life honed exact size easy piston installation cylinder kits come complete with cylinder, kit gasket on enjoy the power. No machining required.
Yamaha Yz 450F 450Fx wry big bore cylinder kit piston ratio: 12. 95 this listing is for a brand new in original packaging big bore kit.