Description:

The air filter interface outside diameter:37mm/1.45",intake inside diameter:19mm/0.74",fuel hose 100mm*5mm.. Replacement for 4 stroke 49cc-125cc horizontal engine(does not fit for GY6 engine).. Attention:does not replacement for all XR70/XR70R/CRF70/XR80/Z50 and early model than 2008 for CRF50 XR50.. Energy saving and fuel saving,stable idle speed,and smooth acceleration..