Description
Upgrade your Yamaha YZ450F with the JE Pistons Pro Series 97mm bore piston kit, featuring a 12:80:1 compression ratio for enhanced performance and power. Crafted with precision, this piston kit is designed to deliver reliable durability and optimized combustion efficiency for serious riders seeking improved engine response. The kit includes a high-quality piston with two piston rings, ensuring a tight seal and smooth operation under demanding conditions.
Constructed by JE Pistons, a trusted name in powersports performance components, this piston kit is engineered to meet the rigorous demands of off-road racing and trail riding. The 97mm bore size ensures a perfect fit for Yamaha YZ450F engines, providing a seamless upgrade that enhances horsepower and torque. The design incorporates features that support high-performance applications while maintaining durability and reliability over extended use.
Note that this piston kit is not carb-legal and requires carburetor acknowledgment, making it suitable for racing and off-road use where aftermarket modifications are permitted. As a clearance item, it offers an excellent opportunity for enthusiasts to upgrade their bike with a proven performance part from JE Pistons without compromising quality. Proper installation and adherence to local regulations are recommended to maximize the benefits of this high-performance piston kit.
Features:
- Pro Series 2 Ring design for enhanced sealing and durability
- 97mm bore size tailored for Yamaha YZ450F models
- Compression ratio of 12:80:1 for increased power output
- Engineered for high-performance off-road applications
- Precision machined to ensure a perfect fit and reliable operation


















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