The piston ref. 2111 IAME SUDAM 125cc has NEW WEIGHT to comply with new FICHES regulation of SOUTH AMERICA GO-KART RACING CATEGORIES.
The piston casting has been modified in order to get the weight of the finished piston which now must be not lighter than 128 gr (according to FICHES).
Piston by Meteor, 2111, now weighs 129 gr (min. diameter).
The same piston has also changed ring's height, always following FICHES regulations.
The former ring was a L-shaped h. 2.2 mm.
Now the ring is L-shaped 1.5 mm