Kawasaki KLX125 Piston Kit - Wiseco - Forged Series - `02-`06. A direct-fit forged piston kit engineered for 4-stroke dirt-bike use, designed to replace worn components and restore reliable compression and durability to your KLX125 (2002–2006).

This Wiseco Forged Series piston is supplied as a complete package and built to withstand the demands of off-road riding. Each kit includes the piston, wrist pin, rings and circlips for a straightforward installation. The forged construction improves strength and service life under high-stress conditions, while bore and compression specifications match factory-derived tolerances: 61.00 mm bore with an 11:1 compression ratio. Ideal for enthusiasts restoring or upgrading a KLX125, the design focuses on durability and consistent performance without speculative claims about power gains.

Features

• Direct-fit for Kawasaki KLX125 model years 2002–2006
• 61.00 mm bore, 11:1 compression ratio
• Complete kit: piston, wrist pin, rings, circlips
• Forged construction for improved strength and service life
• Manufactured to tight tolerances for reliable fitment

If you have questions or need help confirming fitment, call us directly — we’re happy to advise. We operate two locations that offer installation and customization services: Austin, Texas and the Los Angeles, California area. Call us at 512-982-9393 (TX) or 562-981-6800 (CA). If you’re considering multiple items, contact us for possible shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov