
PROX Forged Piston – Manufacturer Ref. 01.2419.B
PROX forged piston, designed for the Cross environment. Made of aluminum, this oversize B piston has a diameter of Ø 91.96 mm (official mention: 91.960 mm) and a standard compression configuration. Supplied as a kit with replacement rings (ref. 260126), it is intended for the 400 cm³ displacements listed below.
Main compatibilities: YAMAHA WR 400 F (CH04) 2000, YAMAHA YZ 400 F (CH03) 1999, YAMAHA YZ 400 F (CH01) 1998. Always check the bore and reference of your engine before installation to ensure a precise fit.
This product is intended for off-road enthusiasts looking for an original PROX part. Professional installation is recommended to ensure correct clearances and tolerances during replacement.