Yamaha WR 400 F (CH 04) [1999-2000] - Replica forged pistons

VERTEX Replica forged pistons for Yamaha WR 400 F

The VERTEX Replica forged piston is assigned to the Yamaha WR 400 F (CH 04) in the full year range 1999-2000. As a forged aluminum piston, it is intended for use in the upper engine range and offers a defined selection of diameter, oversize and compression version.

Technical features

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 91.94 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 92.00 mm
• Rings Quantity: Set
• Stroke: 4T

Vehicle assignment

The piston is assigned to the Yamaha WR 400 F (CH 04), built between 1999 and 2000. The specified bore diameter of 92.00 mm and the marking B support the selection based on the existing motor version and the intended oversize.

Selection note

Before making your selection, please compare the piston diameter of 91.94 mm, the bore diameter of 92.00 mm, the marking B and the standard compression with the requirements of your engine. The design is specified as a 4T piston; The piston rings are shown as a set.