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: Forged 53mm piston – built for strength, power, and longevity High compression for improved throttle response and low-end torque Works with the stock KLX110 cylinder head Drop-in installation – no machining or case boring required Ideal for stock 110cc engines and compatible with most performance upgrades 12.2: compression ratio Fits: Kawasaki KLX110 (2003–2009) Requires TBW0305 LH gasket 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. TBparts.com is the only distributor of our products and the parts are shipped directly from the manufacturing facility to us. When a product is purchased from us, it has not gone through several middlemen and thus, the savings goes to the consumer. Additionally, to keep prices down, we use basic packaging and installation instructions are not included. The end result is affordable and high quality performance parts that will add some power and excitement to your bike!
