nie http://www.ebay.com/itm/Honda-XL250S-XL-250-S-piston-kits-STD-O-S-MITAKA-JAP-/390272495931?_trksid=p5197.m1992&_trkparms=aid%3D111000%26algo%3DREC.CURRENT%26ao%3D1%26asc%3D14%26meid%3D2833287640733962458%26pid%3D100015%26prg%3D1006%26rk%3D1%26sd%3D390272495931%26 to jest o S a to do R http://www.ebay.com/itm/WISECO-FORGED-PISTON-4329M07550-HONDA-XL-XR-250-XR250R-XL250R-/230848740953?pt=Motorcycles_Parts_Accessories&hash=item35bfa83e59&vxp=mtr