Yamaha WR 400 F (CH 02) [1998] - Replica forged pistons

VERTEX Replica forged pistons for the Yamaha WR 400 F

The VERTEX Replica forged piston is designed as a piston for the Yamaha WR 400 F (CH 02), built in 1998. The combination of piston type, diameter and oversize marking supports a precise selection of the right engine design.

Design and technical data

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

The piston is specified with standard compression and has a forged aluminum design. The diameter of 91.94 mm, the bore diameter of 92.00 mm and the marking B with oversize +0.01 are particularly relevant for the assignment and selection.

Vehicle assignment

Suitable for the Yamaha WR 400 F (CH 02), built in 1998. This product description refers to exactly this vehicle and this entire range of years of manufacture.

Factual information on selection

Please coordinate the technical dimensions, the oversize marking and the standard compression with the intended engine structure. The statement “Rings Quantity: Set” describes the ring quantity as a set. The hub is marked “4T”.