WISECO 40273M07800 ArmorGlide Piston Kit 78mm 14.2:1 Kawasaki KX250 2021–2022

WISECO 40273M07800 ArmorGlide Piston Kit 78mm 14.2:1 Kawasaki KX250 2021–2022

The WISECO 40273M07800 ArmorGlide piston kit 78mm 14.2:1 compression ratio is engineered to deliver strong power output, crisp throttle response, and dependable durability for Kawasaki KX250 and KX250X engines. Manufactured to extremely tight tolerances, this WISECO piston kit 78mm 14.2:1 supports efficient combustion and consistent performance, making it well suited for motocross racing, off-road competition, and high-performance engine maintenance.

Designed with proven WISECO engineering, the WISECO 40273M07800 ArmorGlide piston kit 78mm 14.2:1 compression ratio balances increased torque with reliable long-term operation. Precision machining ensures accurate fitment and stable ring sealing under high RPM conditions, while the ArmorGlide® skirt coating reduces friction and scuffing. This piston kit is an ideal choice for riders and mechanics performing top-end rebuilds or performance-focused service on modern Kawasaki 250 four-stroke engines.

Key Features

• Precision-built to tight tolerances for optimal strength and performance
• 78.00 mm bore with 14.2:1 compression ratio for increased torque and throttle response
• ArmorGlide® skirt coating reduces friction and improves scuff resistance
• Designed for high-performance motocross and off-road riding applications
• Includes piston, piston rings, wrist pin, and circlips for complete installation

Vehicle Fitment

• 2021–2022 Kawasaki KX250
• 2021–2022 Kawasaki KX250X

Frequently Asked Questions

Is this piston kit compatible with my Kawasaki KX250 or KX250X?
Yes, this piston kit is designed specifically for 2021–2022 Kawasaki KX250 and KX250X models using a 78.00 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 replacement.

Is a 14.2:1 compression ratio suitable for racing?
The 14.2:1 compression ratio provides improved throttle response and power, making it well suited for motocross and competitive off-road riding.

Maintain strong performance and reliable engine operation with a precision-engineered piston designed for demanding riding conditions. This WISECO ArmorGlide piston kit delivers consistent fitment, improved power characteristics, and long service life.

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