Honda XR 400 R (NE 03) [1996-2004] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Honda XR 400 R

The WÖSSNER Pro Series forged piston is designed for the Honda XR 400 R (NE 03) in the entire model year range from 1996 to 2004. The aluminum design and forged design are the central features of this piston for the upper engine range.

Design and technical data

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 85.44 mm
• Letter oversize: 050
• Oversize: +0.05
• Bore diameter: 85.50 mm
• Compression ratio: 11.11:1
• Rings Quantity: 3
• Stroke: 4T

Vehicle assignment

The piston fits the Honda XR 400 R (NE 03), built between 1996 and 2004. The assignment should be checked together with the specified diameters and oversize so that the design matches the intended cylinder bore.

Selection based on measurements

With a piston diameter of 85.44 mm, a bore diameter of 85.50 mm and the Oversize +0.05 marking, the technical specification offers clear comparative values for selection. The compression ratio of 11.11:1 and the specification of three piston rings complete the relevant data for the assignment in the engine.