Honda XR100 Piston Kit - Wiseco - 9.4:1 CR, 54.00 mm Bore - `81-`03. A complete forged piston kit engineered for the XR100 '81-'03, offering application-specific fit and reliable construction for riders looking to rebuild or upgrade their small-displacement four-stroke.

This Wiseco piston kit is designed and machined for a tight tolerance fit on a 54.00 mm bore with a 9.4:1 compression ratio. Wiseco’s forged 4-stroke pistons use dedicated forgings to optimize strength-to-weight ratio and improved tensile strength of the material helps withstand demanding use. The kit includes high-quality piston rings, wrist pin(s), and circlips to simplify installation. Manufactured in Mentor, Ohio, these pistons are engineered for the specific requirements of powersports four-stroke engines and are suitable for enthusiasts performing a refresh or modest performance-focused rebuild.

Features

• Forged Wiseco 4-stroke piston sized for 54.00 mm bore
• 9.4:1 compression ratio, application-specific design for XR100 '81-'03
• Includes piston rings, wrist pin(s), and circlips
• Dedicated forging for optimized strength-to-weight
• Engineered and machined in the USA (Mentor, OH)

If you have questions about fitment or installation, give us a call and our tech staff can help you confirm compatibility. We offer installation and customization services at our two locations in the Austin, Texas and Los Angeles, California areas. Call us: 512-982-9393 (TX) or 562-981-6800 (CA).

If you’re planning to purchase multiple items, please contact us for possible shipping discounts. We install on premises at both locations.

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