
VERTEX Cast Piston (manufacturer part number 22446A) intended for Cross cylinders. Replacement piston designed for maintenance professionals and riders looking for a part suitable for 80 cc frames, particularly the listed Honda CR 80 R models. Made from aluminum, with a raw finish suitable for 2-stroke engines used in off-road applications.
Main compatibilities: HONDA CR 80 R STD WHEELS 14/17 (HE04) 1999, HONDA CR 80 R BIG WHEELS 16/19 (HE04) 1999, HONDA CR 80 R BIG WHEELS 18/21 (HE04) 1986. Check the bore diameter and oversize letter before installation to ensure proper piston/cylinder clearance.
Practical tips: always replace rings, clips, and piston pin during a complete overhaul. Check the condition of the cylinder (honing/micro-scratches) and follow manufacturer recommendations for break-in. A factual replacement part that meets the specified dimensions for reliable reassembly on compatible models.