Kawasaki KX125 Piston Kit - Wiseco - GP Series - `01-`08. A factory-style replacement piston kit engineered for high-RPM two-stroke applications, offering durable materials and precise machining for riders who push their KX125 hard.

Wiseco's GP Series pistons are forged, machined and finished with features aimed at endurance and consistent top-end performance. The Electra-Coated crown, ring groove and pin bore help resist wear, combustion heat damage and ring micro-welding. The ArmorGlife skirt coating reduces friction to help maintain performance and reduce break-in wear. Extra lightening operations improve throttle response without compromising strength. This kit is supplied complete with quality rings, wrist pin and circlips for straightforward installation.

Features

• Electra-Coated crown, ring groove and pin bore
• ArmorGlife skirt coating to reduce friction
• Forged, machined in the USA (Mentor, OH)
• Includes rings, wrist pin and circlips
• Extra lightening operations for improved throttle response
• Designed for sustained-RPM 2-stroke riding — 54.00 mm bore (Model 2126CS)

This Wiseco GP Series piston kit is a practical choice for riders wanting a durable, serviceable piston that withstands high-rev conditions. The combination of coated surfaces and precision forging provides consistent fit and performance when rebuilding or upgrading a 2001–2008 KX125 engine.

If you have questions or need fitment advice, call us directly — 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area.

If you are considering multiple items, contact us for shipping discounts. We install on premises at both locations.

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