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 designed for the Yamaha WR 400 F (CH 04) built in 1999-2000. Its technical characteristics support a targeted selection of the right engine structure.

Design and technical data

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 91.95 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 92.00 mm
• Piston rings: set
• Stroke: 4T

The marking with the letter C and the oversize specification +0.02 makes it easier to assign them within the intended version. The bore diameter of 92.00 mm and the piston diameter of 91.95 mm are relevant for comparison with the relevant engine data.

Vehicle assignment

Can be used for the Yamaha WR 400 F (CH 04), built between 1999 and 2000. The vehicle name and the complete year of manufacture serve as a basis for selection before ordering.

Notes on selection

Before choosing, check the information on diameter Ø, bore diameter, letter oversize and oversize. For this version a forged aluminum piston, standard compression, a piston ring set and the marking 4T are specified.