Troubleshooting The Fuel System

With a little average difficulty level and spending one our two hours on your fuel system a lot of problems can be fixed in the fuel system. This would prevent engine stalling and starting problems as well. Troubleshooting your engine on a clear sunny day is always preferred. A wet soggy or cloudy day is not best for troubleshooting. Keep the instruction manual with you along with a well equipped tool box and it would be easy to fix the problems.

For any model the preference should always be given to the fuel type mentioned in the user manual, after all manufacturers know the best. Moreover, one should always use a consistent fuel for the engine. Changing fuel types again and again affect the engine performances. Checking the user manual for right kind of fuel helps out to identify if the fuel is with too much lubricant or too much nitro.

Checking the fuel mixture whether it is too lean or too rich can also solve the fuel problem. More inflow of fuel makes mixture richer this can be done by tuning the needle valve counter counter-clockwise. A more inflow of air makes the mixture leaner. For the optimum engine performance the right tuning of mixture is very necessary. This also gives consistent engine performance and makes it run smoothly.

It is always better to check engine setting after taking it out from the storage before starting them up. This would reduce the risk of causing any probable damage of starting them up outright and some potential breaking that may be lurking around the corners.

If you have pull start engine then pulling the string multiple times like a yo-yo might cause damage to the engine. Give the engine a breathing space after giving it a tug two or three times.

It is a good idea to check for fuel lines and fuel tank before each refuel. This may help in identifying in any upcoming cracks or breakages in the fuel line or any foreign particles, contaminants or foam inside the fuel tank.

When the right fuel-to-air mixture is achieved, some problems will still exist. When the fuel tank is full, it is easy for the carburetor to draw the fuel, but as the tank empties, this becomes more difficult. This is determined by the air pressure in the tank, and the depth of the fuel in the tank itself. You can resolve this by pressurizing the tank with muffler pressure.

Smaller fuel lines are better option as bending constricts the fuel flow. Longer fuel lines rest against other vehicle parts which may cause vibration in them to cause formation of bubbles. Fuel tank in the vicinity always helps. It should always be mounted on foam and thick enough to absorb the vibration.

In the end a frank opinion from a hobby shop or an old expert always helps. They can easily help you identify small tricky problems that may be overlooked by you.