Harley-Davidson BIG Twin EVO FXR 1340 [1984-1991] - WÖSSNER forged pistons

WÖSSNER forged pistons for Harley-Davidson BIG Twin EVO FXR 1340

The WÖSSNER forged piston is designed as a piston kit for the Harley-Davidson BIG Twin EVO FXR 1340 in the 1984-1991 model year range. The forged aluminum version forms a suitable basis for repairing the upper engine area within this vehicle classification.

Version and piston kit

The kit comes from WOSSNER and is manufactured in Germany. The scope of delivery includes pistons, piston rings, piston pins and circlips. This means that the components belonging to the piston are combined in a coordinated set.

Technical data

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 89.00 mm
• Letter oversize: 025
• Oversize: +0.025

Vehicle assignment

The forged piston is intended for the following model assignment:

• Harley-Davidson BIG Twin EVO FXR 1340, built between 1984 and 1991

When selecting, the specified diameter of 89.00 mm as well as the oversize +0.025 and the letter 025 must be taken into account. The standard piston compression and the forged aluminum design enable targeted assignment based on the technical engine data.