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. The forged aluminum design provides a precisely defined basis for repairing the engine.

Technical features

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 91.93 mm
• Letter oversize: A
• Oversize: STD
• 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. This specific vehicle and year of construction supports the selection of the component for the model mentioned.

Selection guide

The diameter of 91.93 mm, the bore diameter of 92.00 mm and the markings “A” and “STD” are particularly relevant for the assignment. The standard piston compression and the version for 4T complement the key technical data. Before ordering, the existing engine data and the dimensions of the piston to be replaced should be compared with this information.