WOSSNER 69.5mm FORGED PISTON KIT YAMAHA IT250 1983, YTZ250 1985-1986

Wossner forged piston kit designed for superior strength and performance. Engineered for optimal heat transfer to cylinder walls, ensuring efficient combustion. The elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany for high-quality standards.

Features

• Forged piston for enhanced strength and durability
• Optimized heat transfer for efficient combustion
• Elliptical design to prevent piston collapse
• Manufactured in Germany

Specifications

• Bore Size: 69.50mm
• Actual Bore Diameter: 68.94mm
• Displacement: 246 cm³
• Stroke: 68.00mm
• Clearance: 0.06mm
• Wossner Compression Ratio: 2-Stroke
• OEM Compression Ratio: 2-Stroke
• Compression Height: 35.80mm
• Theoretical Weight: Not specified

Included Components

• Lock Part Number: CW18
• Pin Part Number: WP033
• Ring Set Part Number: RSB6950 x 2

Vehicle Fitments

• Yamaha IT 250 (1983)
• Yamaha Tri-Z 250 (1985-1989)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.