YAMAHA YZ 250 [1983-1987] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha YZ 250 from 1983 to 1987

The WÖSSNER forged piston is designed for the Yamaha YZ 250 in the entire model year range 1983-1987. As a forged aluminum version, it is intended for use in the upper engine area and offers a clearly defined basis for repairing the piston system.

Design and technical features

• Material: aluminum
• Piston type: forged
• Piston compression: standard
• Diameter Ø: 69.44 mm
• Bore diameter: 69.50 mm
• Oversize: +1.50
• Oversize letter: 150
• Rings Quantity: 2

The information on diameter, bore diameter and oversize supports the targeted selection for the specified motor application. The standard compression clearly assigns the piston to this version. Two piston rings are one of the technical features of the piston.

Vehicle assignment

Suitable for Yamaha YZ 250, built between 1983 and 1987. The vehicle assignment refers to this model and year of manufacture.

Factual advice on selection

Before ordering, compare the required dimensions with the technical data of this forged piston. The diameter of 69.44 mm, the bore diameter of 69.50 mm and the oversize of +1.50 are particularly relevant. This allows the design to be selected based on the relevant piston and bore data.