... 2.energy saving and Enviroment friendly motorcycle carburetor standard and racing: 1) long life 2) Packing:box and special design according ... 17.5mm ,Booster 12mm ,Booster 17.5mm ,MBK,Piaggio, Poket bike, pwk, oko,JOG,Buxy,AX100,Keihin…Motorcycle crankshaftAG50,AG60,AG100 ... ,AD50,AV6,AV7,AV10,AT50,Buxy, racing Buxy,booster,MBK,V50,NF50,YB50,Jingfeng50,PILOT,GY6-50 ...