
PROX Ring Set Ø85.50 mm – Ref. 02.1495.050
Top-end restoration: this PROX ring set is designed for pistons with a diameter of 85.50 mm. Manufactured as a replacement part for routine maintenance or cylinder rebuilds, it serves the essential functions of rings: ensuring the sealing of the combustion chamber, limiting compression losses, and controlling the passage of oil to the bottom end.
Main compatibilities: ideal for Honda XR 400 R (NE03) models 2002, 2003, and 2004. Suitable for modifications and repairs where the specified diameter matches the installed piston.
Usage tips: replace the rings during a re-boring or piston change, and check the condition of the cylinder and the ring grooves before installation. Assembly and adjustments recommended by an experienced mechanic to ensure proper commissioning.