Kawasaki GTR1000 Piston Kit - Wiseco - 111 Piston Kit, 75.50 mm Bore, 11:1 CR - '86-'00. A complete forged piston kit engineered for Kawasaki GPz1000RX/GTR1000 models from 1986 to 2000.

This Wiseco Forged Series piston is built for versatility across 4-stroke applications and arrives ready for installation. The kit includes piston, wrist pin, rings and circlips so you have the core components needed for a top-end rebuild. Forged construction provides optimized strength and improved resistance to high-stress conditions. The 75.50 mm bore and 11:1 compression ratio match the specified engine geometry for these models. Ideal for enthusiasts performing restorations, routine rebuilds or moderate upgrades when combined with proper supporting components and tuning. Performance-enhancing features vary by application and are designed to prioritize durability and consistent operation.

Features

• Wiseco 111 forged piston for 4-stroke engines
• 75.50 mm bore with 11:1 compression ratio
• Complete package: piston, wrist pin, rings, circlips
• Fits Kawasaki GPz1000RX / GTR1000 models 1986–2000

If you have questions or need help confirming fitment, call us direct — we can walk you through details and compatibility. We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA). If you are thinking about purchasing 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