YAMAHA YZ 250 [1988-1991] - WÖSSNER forged pistons

WÖSSNER forged pistons for YAMAHA YZ 250

The WÖSSNER forged piston is intended for the YAMAHA YZ 250 from the entire 1988-1991 model year range. Its technical characteristics support the targeted selection of a suitable piston for the engine of this vehicle classification.

Design and technical data

• Piston type: forged
• Material: aluminum
• Piston diameter Ø: 67.95 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 68.01mm
• Number of piston rings: 2
• Stroke: 2T

Matching the vehicle assignment

The forged piston is assigned to the YAMAHA YZ 250, built between 1988 and 1991. Before making the selection, the piston diameter of 67.95 mm, the bore diameter of 68.01 mm and the marking B with oversize +0.01 can be compared. This means that the relevant piston and bore data can be taken into account when selecting parts.

Note on selection

The dimensions and markings mentioned are crucial for the assignment. The version with two piston rings and the specified 2T stroke complements the key technical data of the piston. Please only use the component within the specified vehicle assignment and year of manufacture.