Yamaha TY 250 [1984-1985] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha TY 250

The WÖSSNER forged piston is intended for the Yamaha TY 250 from the entire 1984-1985 model year range. As a component of the upper engine area, it combines the specified dimensional data with a forged aluminum version.

Execution and function

The forged design, together with the aluminum material, forms the structural basis of this piston. Piston compression is standard. The specified diameter, oversize and number of rings are decisive for the assignment to the intended motor variant.

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 69.44 mm
• Letter oversize: 150
• Oversize: +1.50
• Bore diameter: 69.50 mm
• Rings Quantity: 2
• Stroke: 2T

Vehicle assignment

The piston is assigned to the Yamaha TY 250 in the 1984-1985 model year range. The combination of diameter Ø 69.44 mm, bore diameter 69.50 mm and oversize +1.50 supports the selection based on the existing engine and cylinder dimensions.

Selection note

Before ordering, the relevant dimensions of the engine should be compared with the technical data. In particular, the diameter Ø 69.44 mm, the bore diameter 69.50 mm, the oversize 150 and the version with 2 rings must be taken into account.