PISTON KIT 87-07 YFS200 66.75, WOSSNER 8101D075 YAMAHA ATV

Wossner forged piston kit for Yamaha YFS200 Blaster features a 66.75mm bore (+0.75mm over standard) and is designed for durability and optimal heat transfer. Manufactured in Germany, the piston’s elliptical structure promotes balanced expansion and load distribution, reducing risk of collapse. This high-performance replacement is suitable for two-stroke engines, ensuring compatibility with OEM specifications.

Features

• Forged construction for increased strength and longevity

• Optimised heat transfer from combustion chamber to cylinder wall

• Elliptical shape for even load distribution and reduced piston stress

• Suitable for 2-stroke engine configurations

• Made in Germany

Specifications

• Bore Size: 66.75 mm

• Clearance: 0.06 mm

• Compression Height: 29.90 mm

• Display (Displacement): 199 cm³

• Stroke: 57.00 mm

• Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

• Piston Kit: 8101D075

• Lock: CW16

• Pin: WP027

• Ring Set: RSB6675 (x2)

• Rod: P2030

Vehicle Fitments

• Yamaha YFS200 Blaster (1988–2006)