Yamaha XT 400 [1980-1981] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Yamaha XT 400

The forged aluminum piston is assigned as an engine component for the Yamaha XT 400 in the entire model range from 1980 to 1981. The design features standard piston compression and a compression ratio of 9.8:1.

Technical features

• Material: aluminum
• Piston Type: Forged
• 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 WÖSSNER Pro Series forged piston is intended for the Yamaha XT 400, built between 1980 and 1981. When selecting, the specified diameter of 86.93 mm, the bore diameter of 87.00 mm and the markings “A” and “STD” must be taken into account in particular.

Execution

The combination of aluminum, forged piston type, standard piston compression and three rings describes the technical design of this piston. The compression ratio of 9.8:1 and the marking “Stroke: 4T” complement the relevant engine data for the Yamaha XT 400.