70cc 47mm Big Bore Cylinder Kit & Head For Yamaha Aerox 50 MBK Nitro Mach G 50cc LC 2 Stroke Scooter Engine

High-concerned chemical：None Model Name：RS70 Brand Name：ZHANGXINGYUE Origin：Mainland China Material：metal

High-concerned chemical: None Model Name: RS70 Brand Name: ZHANGXINGYUE Origin: Mainland China Material: metal