If the disposable filter between the tank with gasoline carburetor, frequent checking. If dirty, clean or replace.
2. Without the fuel filter, exhaust gas in the bowl diligent karbu two or 3 days. Or each fill a full tank. Way, loosen the bolts stay in bowl disposal.
3. clean the air channel at the mouth of the carburetor with a cleaning fluid. How, loose fitting rubber carburetor to filter box, and then spray all the holes while turn on the machine.
make it easy, please try