Wiseco 78mm 14.1:1 Piston Kit 40308M07800 for Kawasaki KX250 / KX250X 2023-2024

The Wiseco 0910-6922 40308M07800 78.00mm piston kit delivers a significant performance upgrade for Kawasaki riders seeking sharper throttle response and stronger power delivery. Designed to increase combustion efficiency with its 14.1:1 compression ratio, this race-focused piston improves acceleration and mid-range output. Riders who want reliable horsepower gains will benefit from the forged construction and precision-engineered dome profile. This kit is ideal for anyone searching for a high-performance Kawasaki KX250 piston kit that elevates engine performance on the track or trail.

Built to the tightest manufacturing tolerances, the Wiseco forged 78mm piston kit ensures exceptional durability under high-load racing conditions. Its lightweight forging optimizes strength while maintaining reduced friction for long-term engine reliability. The included piston rings, wrist pin, and circlips provide a complete solution for riders needing a dependable high-compression Kawasaki piston upgrade. Experience improved efficiency, maximum durability, and race-ready performance—this piston kit is the upgrade your Kawasaki engine deserves.

Key Features

• 78.00 mm forged piston engineered for high-performance applications
• 14.1:1 compression ratio designed for maximum combustion efficiency
• Manufactured to extremely tight tolerances for precision and durability
• Includes piston rings, wrist pin, and circlips
• Lightweight forged construction improves reliability under race conditions

Vehicle Fitment

• Kawasaki KX250 — 2023–2024
• Kawasaki KX250X — 2023–2024

Frequently Asked Questions

Q: Does this piston kit include everything needed for installation?
Yes. The kit includes the piston, piston rings, wrist pin, and circlips for a complete installation.

Q: Is this piston designed for racing and high-performance riding?
Absolutely. The forged construction and 14.1:1 compression ratio make it ideal for competitive racing and aggressive riding.

Q: Will this piston improve throttle response?
Yes. The high-compression design enhances combustion efficiency, resulting in stronger throttle response and improved power delivery.

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