We supply cylinder kits for YBR 125. Diameter of bore is 54mm , the OEM No. is 5HH-E1310-00, we are able to supply compelte cylinder kit as shown in below picture:Our company was founded in 1994, we produce automobile cylinder liner, motorcycle and scooter cylinder block, chrome plating cylinder for general gas engine, agricultural diesel engine cylinder liner, and ceramic cylinder, exhaust pipe and castings. Among which,exhaust pipe of general gas engine are supplied to Mitsubishi Heavy Industries Ltd in Japan and other famous OEMs in China. Our products enjoy sound popularity both at home and world markets. Now our company covers 98000 square meters, with 36000 square meter building space, the total capital assets mounts to 110 million RMB. It is an enterprise with capability of engine cylinder design, developing, manufacturing and sale service.