WISECO 40307M09700 Forged Piston Kit 97mm 13.0:1 Yamaha YZ450F 2023–2025

WISECO 40307M09700 Forged Piston Kit 97mm 13.0:1 Yamaha YZ450F 2023–2025

The WISECO 40307M09700 piston kit 97mm 13.0:1 compression ratio is engineered to deliver reliable performance, consistent power delivery, and long service life for Yamaha 450cc four-stroke engines. Manufactured from forged 2618 aluminum and built to tight tolerances, the WISECO 40307M09700 piston kit 97mm 13.0:1 compression ratio supports efficient combustion and stable engine operation for motocross, off-road, and trail riding applications.

Designed for durability under demanding conditions, the WISECO 40307M09700 piston kit 97mm 13.0:1 compression ratio offers a balanced compression ratio that maintains throttle response while supporting engine longevity. Precision forging and machining ensure proper fitment and dependable ring sealing, making this piston kit a dependable solution for riders and mechanics performing routine top-end maintenance or engine refreshes on modern Yamaha 450 platforms.

Key Features

• Forged 2618 aluminum piston for strength and durability under high load
• 97.00 mm bore with 13.0:1 compression ratio for balanced power delivery
• Precision-machined to tight tolerances for consistent fit and performance
• Optimized piston design supports efficient combustion and reliability
• Includes piston, piston rings, wrist pin, and circlips for complete installation

Vehicle Fitment

• 2023–2025 Yamaha YZ450F
• 2023, 2025 Yamaha YZ450F Monster Energy Yamaha Racing Edition
• 2024 Yamaha YZ450F Monster Energy Edition
• 2024 Yamaha YZ450F 50th Anniversary Edition
• 2024–2025 Yamaha YZ450FX
• 2024–2025 Yamaha WR450F

Frequently Asked Questions

Is this piston kit compatible with my Yamaha YZ450F or WR450F?
Yes, this piston kit is designed for the listed Yamaha YZ450F, YZ450FX, and WR450F models that use a 97.00 mm bore.

Does this kit include all required installation components?
Yes, the kit includes the piston, piston rings, wrist pin, and circlips for a complete top-end piston replacement.

Is a 13.0:1 compression ratio suitable for trail and off-road riding?
The 13.0:1 compression ratio provides reliable power and durability, making it well suited for trail, off-road, and general performance riding.

Maintain consistent engine performance and dependable power delivery with a forged piston designed for accurate fitment and long-term reliability. This WISECO piston kit is a solid choice for riders maintaining or refreshing their Yamaha 450 engines.

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