Yamaha SR 500 [1978-1989] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Yamaha SR 500

The WÖSSNER Pro Series forged piston is assigned to the Yamaha SR 500 in the full year range from 1978 to 1989. Its technical characteristics support a targeted selection that matches the specified dimensions and the intended engine version.

Design and technical data

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 86.93 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 87.00 mm
• Compression ratio: 9.8:1
• Rings Quantity: 3
• Stroke: 4T

Vehicle assignment

The piston is assigned to the Yamaha SR 500, built between 1978 and 1989. The specified diameter of 86.93 mm, the bore diameter of 87.00 mm, the marking A and the STD version are particularly relevant for the selection.

Selection guide

The combination of forged aluminum construction, standard piston compression and a compression ratio of 9.8:1 describes the technical specification of this piston. The information “Rings Quantity: 3” stands for the associated number of rings. “Stroke: 4T” indicates the specified engine version.