PISTON KIT 92-98 WR200 68.50, WOSSNER 8070D250 YAMAHA DIRT

Wossner Forged Piston Kit 68.50mm Bore – Yamaha DT200R / WR200
This Wossner forged piston kit is designed for Yamaha DT200R (1988–1991) and WR200 (1992–1998) models, with a bore size of 68.50 mm and a piston diameter of 68.44 mm (+2.50 mm oversize). Built for 2-stroke engine performance, the piston ensures superior heat transfer, strength, and dimensional stability. Its elliptical design distributes loads evenly, reducing stress under thermal expansion. Precision-manufactured in Germany.

Features

• Forged piston construction for enhanced strength and reliability

• Optimised combustion heat dissipation to cylinder walls

• Elliptical profile for consistent bearing surface and minimised pressure points

• Made in Germany for high manufacturing accuracy

Specifications

• Bore Size: 68.50 mm

• Piston Diameter: 68.44 mm

• Engine Displacement: 195 cm³

• Stroke: 57.00 mm

• Clearance: 0.06 mm

• Compression Height: 29.90 mm

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

Cross-Reference Wossner Part Numbers

• Piston Kit: 8070D250

• Lock: CW16

• Pin: WP027

• Ring Set: RSB6850 x 2

Vehicle Fitments

• Yamaha DT200R (1988–1991)

• Yamaha WR200 (1992–1998)