WOSSNER 77mm HC PISTON KIT B, YAMAHA WR250F 18-19, YZ250F 16-18, YZ250FX 17-19

Wossner high-compression forged pistons offer enhanced strength and heat dissipation, featuring an elliptical design that ensures uniform expansion and balanced thrust load distribution to prevent piston collapse. This model has a 77.01mm bore (76.96mm actual size) and a compression ratio of 14.4:1, designed for Yamaha YZ 250 F models from 2016 to 2018.

Features

• Forged for high durability and strength
• Elliptical profile ensures even expansion and load handling
• High-compression configuration
• Made in Germany

Specifications

• Bore Size: 77.01mm (actual 76.96mm)
• Compression Ratio: 14.4:1

Vehicle Fitments

• Yamaha YZ 250 F 2016–2018

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.