Yamaha Road Star Piston Set - Front - Wiseco - 10.51 CR - `99-`03 is a front-cylinder piston kit built for riders updating or restoring their Road Star. This Wiseco forged piston kit offers a direct-fit option for Yamaha Road Star models from 1999–2003 and comes as a complete install package.

Part of Wiseco’s Forged Series for 4-stroke engines, this piston is engineered for strength and longevity in V-twin applications. The kit includes the piston, wrist pin, rings and circlips so you have the core components needed for a proper rebuild. Forged construction provides improved resistance to stress and wear compared with cast pistons, while the specified bore and compression ratio match the front cylinder requirements for the Road Star. This is a practical choice for enthusiasts seeking reliable replacement parts or a foundation for modest performance and durability improvements.

Features

• Wiseco forged 4-stroke piston (Front cylinder)
• 95.00 mm bore; 10.51 CR (listed as 10.5:1)
• Complete kit: piston, wrist pin, rings and circlips included
• Direct fit for Yamaha Road Star models 1999–2003
• Designed for V-Twin applications with improved strength and service life

If you have questions about fitment or compatibility, please call us directly — we’re happy to help. We have installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call us: 512-982-9393 (TX) or 562-981-6800 (CA). If you’re 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