FOR SURE FITS XL70'S ALL YEARS SL70'S ALL YEARS XL XR 75'S CL70'S K1 K2 K3 (BUT NOT THE K0 MODEL I GUESS ) CL90's with the larger openings only SL90'S CL125S ALL YEARS 273B @ *OEM GAS CAP FITS SOME 70CC TO 125CC MODELS 17620-402-010 1/21A (208Q)I WILL LOOK FOR EXACT FITMENT ON THIS CAP, BUT I THOUGHT IT LOOKED LIKE THE CAPS FROM SOME SL TANKS IF YOU GET ONE OF THESE AND FIND FITMENTS THAT I DON'T LIST ,, PLEASE E-MAIL THEM TO US, THANKS JACK 208Q