Wiseco Pistons PK1089 Top End Piston Kit for Yamaha Blaster - YFS200 66mm

The Wiseco PK1089 Top End Piston Kit is engineered specifically for 1988-2006 Yamaha YFS200 Blaster ATVs with a 66.00mm bore size. This complete performance kit delivers race-proven reliability and power for both recreational riders and competitive racers seeking maximum performance from their two-stroke engine.

Complete Top End Kit Includes:

• Dedicated forging piston constructed from aerospace-grade aluminum alloy for superior strength-to-weight ratio
• High-performance ring set designed for extended life and sustained power delivery
• Premium top end needle bearing with precision machining for reduced friction
• Highest quality alloy wrist pin for consistent durability
• Complete Wiseco top end gasket kit with premium materials that exceed OEM sealing standards

Performance Features:

• CNC machined components with optimal cam profile engineered for peak horsepower and extended service life
• Race-proven design chosen by top race teams across all forms of motorsports competition
• Precision tolerances ensure proper fit and maximum compression efficiency
• Direct replacement for stock piston assembly with enhanced durability

Wiseco's decades of two-stroke piston development make the PK1089 the ideal choice for riders rebuilding their Blaster engine or upgrading for improved performance and reliability.