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

WÖSSNER Pro Series forged pistons for Yamaha XT 400

The WÖSSNER Pro Series forged piston is designed for the Yamaha XT 400 in the full year range from 1980 to 1981. The version with standard piston compression is suitable for selecting a suitable piston within this vehicle classification.

Design and technical features

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 88.43 mm
• Bore diameter: 88.50 mm
• Oversize: +1.50
• Letter oversize: 150
• Compression ratio: 10.1:1
• Rings Quantity: 3
• Stroke: 4T

Vehicle assignment

This forged piston is assigned to the Yamaha XT 400, built in 1980-1981. Before ordering, check in particular the diameter Ø, bore diameter and oversize so that the technical characteristics match your engine structure.

Selection note

The marking Oversize +1.50 and the bore diameter of 88.50 mm are central data for the selection. The compression ratio is 10.1:1; piston compression is specified as standard. The version is intended for a 4T engine. When assigning, take into account the full year range of the Yamaha XT 400 from 1980 to 1981.