Husqvarna WR 390 [1979-1980] - WÖSSNER forged pistons

WÖSSNER forged pistons for Husqvarna WR 390

The WÖSSNER forged piston is intended as a forged aluminum version for the Husqvarna WR 390 built between 1979 and 1980. Its technical dimensions support a targeted selection when reworking the upper engine area.

Function and execution

The piston has an intake window and is designed for a 2T engine. The version with a piston ring is clearly specified in the technical data. The aluminum material used combines the defined design with a piston design designed for this application.

Technical data

• Brand: WOSSNER
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 83.42 mm
• Letter oversize: 050
• Oversize: +0.05
• Bore diameter: 83.50 mm
• Rings Quantity: 1
• Version: 2T
• Specificity: With suction window

Vehicle assignment

Suitable for the Husqvarna WR 390, built between 1979 and 1980. The assignment refers to this entire vehicle and year of construction range.

Selection note

The piston diameter of 83.42 mm, the bore diameter of 83.50 mm as well as the marking “050” and the oversize +0.05 are particularly relevant for the selection. These values ​​should be compared with the existing engine and cylinder dimensions.