DBY ’01 CR250 Deluxe Big Bore Stroker Engine Package


74mm stroke with a 68mm bore (269cc). DBY Racing has been developing products for 2-stroke engines since 1998. Many hours of research, dyno runs and track testing combine to assure that each engine is reliable and fast. Hyper Racing is proud to offer the entire DBY Racing product line. When you buy a DBY component from Hyper Racing, you receive our famous customer support.