Yamaha YZ250 Piston Set - Wiseco - Pro-Lite - '02-'20 is a forged 2-stroke piston kit built for riders who want a reliable, all-purpose replacement. It fits YZ250 models from 2002 through 2020 and offers refreshed performance for both track and trail use.

The Pro-Lite series from Wiseco is a staple forged piston designed to balance strength and weight for everyday riding. This piston features optimized forging for improved durability and additional lightening operations to help sharpen throttle response without compromising reliability. Each kit includes high-quality rings, wrist pin, and circlips, and is engineered, forged, and machined in Mentor, Ohio, USA. The kit corresponds to Wiseco part 804M06700 (2638CD) and is sized for a 67.00 mm bore.

Features

• Forged Pro-Lite design for strength-to-weight optimization
• Extra lightening operations for improved throttle response
• Includes rings, wrist pin, and circlips
• Engineered and manufactured in Mentor, OH, USA
• Fits Yamaha YZ250 (2002–2020), 67.00 mm bore; Wiseco 804M06700 (2638CD)

This piston set is a practical choice for riders seeking consistent performance and reliability without unnecessary complexity. If you have questions or need help confirming fitment, call us directly — 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations offering installation and customization services in Austin, Texas and the Los Angeles, California area. If you are considering purchasing 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