bigger bore cylinder kits for gy6 engine are supplied by GROWSUN, good quality with ... . DT125, CGL125, GN125, CG125, CG150, CG200 and so on8. HONDA XL125 1979,HONDA XL185 1983, CG125, DT125, XLR250, XLR125, TITAN,XLX350, XLX250 ... us for more details! gy6 performance parts of 100cc cylinder kits