Upgrade your KLX110 with TB parts 53mm Drop-In Forged High Compression Piston Kit—built for serious performance and reliability. This is a stock bore (53mm) forged piston designed as a direct replacement for the OEM piston, requiring no cylinder boring or machining.
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:
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Forged construction for exceptional strength and longevity
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53mm stock bore – direct drop-in replacement
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High compression design for better power and performance
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Compatible with stock KLX110 cylinder head and cylinder
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Complete kit includes piston, rings, wrist pin, and circlips
No cylinder machining required – true drop-in performance!
Compression ratio on this piston is:
- 12.4:1 – Stock stroke w/OEM cylinder head – Fresh 91+ high octane pump gas can be used (Race gas is not required).
- 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.
- Fuel can lose octane over time from sitting — especially under the wrong storage conditions. 91-93 octane pump fuel is best when used within 30 days.
