Description
A complete piston kit rebuild is essential for restoring your YFS200 Blaster’s compression, sealing, and reliability after high-mileage use or racing abuse. Wiseco’s forged high-silicone construction delivers the thermal stability and durability needed for sustained performance in 2-cycle engines, while the included ring set, wrist pins, and gaskets eliminate guesswork during installation. This is a bolt-together solution designed to get your Blaster back to factory performance or beyond.
- Fitment: Yamaha YFS200 Blaster (1988–2006)
- Bore diameter: 66.50mm
- Material: Forged high-silicone alloy
- Includes: Piston, rings, wrist pins, circlips, gasket kit
- Ring type: Wiseco proprietary (non-interchangeable)
- Thermal expansion: Minimal
- Installation: Bolt-on assembly
- MPN: PK1091
- Manufacturer: Wiseco






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