TB 110cc bore kit, 53mm, High compression & Forged piston kit – KLX110
Price Matching
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Exclusions (including, but not limited to):
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Price Protection
We will honor our sales price within 48 hours of the time you purchased. You will need to email us your original order number and item(s) in question. A customer service rep will review the order and our current sale to verify eligibility. If your order falls within our time frame and the items are eligible and in stock, a refund will then be issued.

Description
TB 110cc bore kit, 53mm, High compression & Forged piston kit – KLX110
Upgrade your KLX110 with the TBparts 110cc Bore Kit, featuring a 53mm high compression forged piston for maximum strength and performance. This kit is designed as a drop-in upgrade for the stock cylinder head—no case boring required! The forged piston offers superior durability under high RPM and heat conditions, making it perfect for aggressive riders or racers.
Key Features:
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Forged 53mm piston – built for strength, power, and longevity
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High compression for improved throttle response and low-end torque
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Works with the stock KLX110 cylinder head
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Drop-in installation – no machining or case boring required
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Ideal for stock 110cc engines and compatible with most performance upgrades
- 12.2: compression ratio
Fits:
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Kawasaki KLX110 (2003–2009) Requires TBW0305 LH gasket
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KLX110L (2010+)
- KLX110 2010+
Note: Requires high-quality fuel (91+ octane recommended). Avoid stale fuel, as octane loss can lead to detonation with high compression setups.