Yamaha YZ85 Piston Kit - Wiseco - Racers Elite 2-Stroke - 02-20. This Wiseco Racers Elite 2-Stroke piston kit (model 1890CS) is a forged replacement designed for Yamaha YZ85 engines from 2002–2020, offering a direct-fit option with a 48.0mm bore.

Built from 2000 series alloy with Wiseco’s dedicated forging process, this piston kit includes ArmorPlating™ piston coating and ArmorFit™ skirt coating to reduce wear. The kit ships with premium rings and superfinished piston pins to maintain consistent performance and longevity under two-stroke conditions. It’s intended for riders and tuners who want a high-quality, OEM-replacement style forged piston without modifying engine geometry.

Features

• Wiseco Racers Elite 2-Stroke series, model 1890CS
• 2000 series forged alloy construction
• ArmorPlating™ piston coating and ArmorFit™ skirt coating
• Includes premium rings and superfinish piston pins
• Bore: 48.0mm — fits Yamaha YZ85 (2002–2020)

If you have questions or need help confirming fitment, call us directly — we’re happy to assist. We offer installation and customization services at our two locations in Austin, Texas and the Los Angeles, California area. 512-982-9393 (TX) · 562-981-6800 (CA)

If you’re considering purchasing multiple items, please contact us for shipping discounts. We install on premises at both locations.

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