Yamaha WR 450 F (DJ 03) [2012-2015] - WÖSSNER forged pistons

WÖSSNER forged pistons for the Yamaha WR 450 F

The WÖSSNER forged piston is assigned to the Yamaha WR 450 F (DJ 03) built between 2012 and 2015. The aluminum version has a diameter of 94.96 mm and is designed for a bore diameter of 95.00 mm.

Design and technical data

• Piston type: forged
• Material: aluminum
• Diameter Ø: 94.96 mm
• Bore diameter: 95.00 mm
• Letter oversize: A
• Oversize: STD
• Compression ratio: 12.3:1
• Rings Quantity: 2
• Stroke: 2T

Vehicle assignment

The piston is assigned to the Yamaha WR 450 F (DJ 03) for the complete years 2012, 2013, 2014 and 2015. The information on diameter, bore, oversize designation and compression ratio supports the comparison with the existing engine and the intended piston design.

Selection guide

The vehicle type, the year of manufacture and the dimensions 94.96 mm and 95.00 mm are particularly relevant for the assignment. Additionally, the letter A, the indication STD and the compression ratio of 12.3:1 characterize this version. The technical design includes two rings and the specified stroke value of 2T.