Yamaha CYGNUS 125 52.40mm Bore Racing Piston Kit *VARIOUS SIZES*
CYGNUS 125 52.40 12.50 37.00 0 15 N N 0 "5ML" MODEL. Piston Rings. HOW TO SELECT PISTON GRADE Available sizes The following is included in the kit (4) As soon as we receive the item back we will process it within 48 hours.