Troubleshooting > Failures par brand > FOSTI > FOSTI F51 > My FOSTI F51 50 motorcycle accelerates by itself
Your mà © caboîte 50cc FOSTI F51 accelerate by itself when you are riding? This can be due to several issues. It is possible that your machine will start to accelerate on its own when you are driving at 60km / hpar example, or when you are just starting out. In most cases this is a problem of accelerator cable. Indeed, the latter can be damaged, it will therefore be necessary to consider its replacement. It may also be a problem with the carburettor.
If your FOSTI F51 50 motorcycle starts to accelerate on its own when you start it up, there is usually a problem with the carburetor. Here are the different concerns that you may encounter on your carburetor:
- The bushel does not go down and up correctly, adjust the carburetor.
- Theneedle is too high, also opt for a carburettor setting.
- The idle jet is too big, switch to a smaller one.
- There is an air intake at the carburetor gaskets. Replace them.
- La intake pipe is split, so there is an air intake. Replace it.
- Idling is not good. Set it idle screw on your carburetor (small screw with the spring).
If your FOSTI F51 50 motorcycle starts to accelerate on its own when you apply pressure on the throttle grip, this is usually a problem. at the accelerator cable. Here are the different concerns that you may encounter at this level:
- The gas cable is not tight enough.
- The cable is damaged or frayed. Fix it by cutting it par example or replace it.
- The cable is cut. Replace it completely.
- The cable does not move correctly in the sheath. Put some fat on your cable.