TBparts - Stock Overbore 53.5mm Forged High Compression Piston for KLX110 with Stock Cylinder

Upgrade your KLX110 with TBparts’ 53.5 Forged High Compression Piston Kit—built for serious performance and reliability. This 0.5mm oversized piston is designed for use with the stock cylinder head but requires machining the OEM cylinder to fit. Ideal for a performance rebuild or high-output setup, this kit delivers increased compression for more power and better throttle response. Forged from high-strength materials, this piston delivers increased compression, improved throttle response, and greater durability under high-performance conditions. Perfect for riders looking to boost power while keeping the stock cylinder.

Key Features:

• Forged construction for exceptional strength and longevity
• 53.5mm stock bore – Must Bore and Hone cylinder 
• High compression design for better power and performance
• Compatible with stock KLX110 cylinder head and cylinder
• Complete kit includes piston, rings, wrist pin, and circlips

Specifications:

• Compression 12.4:1 – Stock stroke w/ OEM cylinder head – Fresh 91+ high octane pump gas can be used (Race gas is not required).
• Compression 13.4:1 – 55mm Stroke w/ OEM cylinder head – FRESH 93+ octane pump gas can be used. Use Octane Booster or mix with race fuel if you hear engine Knock Under load.

Application:

• KLX110 - All years
• KLX110L - All years
• Suzuki DRZ110 - All years

Note: Must Bore and Hone cylinder