Yamaha SZR 660 (4 SU) [1995-1997] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha SZR 660

The WÖSSNER forged piston is assigned to the Yamaha SZR 660 (4 SU) in the full year range from 1995 to 1997. The vehicle assignment thus supports a targeted selection of the appropriate engine type.

Piston design and technical data

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 99.93 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 100.00 mm
• Compression ratio: 9.1:1
• Rings Quantity: 3
• Stroke: 4T

Selection for the vehicle

The assignment applies exclusively to the Yamaha SZR 660 (4 SU), built between 1995 and 1997. Before ordering, the dimensions given should be compared with the requirements of the existing engine. The diameter Ø of 99.93 mm, the bore diameter of 100.00 mm and the marking “A” for oversizes are particularly relevant.

Matching specification

With a forged aluminum design, standard piston compression and a compression ratio of 9.1:1, this piston can be selected based on clear technical characteristics. The information “STD” for oversize and the number of rings of 3 complete the specification for the assignment to the motorcycle mentioned.