How do you turn on the fuel on a motorcycle?
All you need to do is turn the fuel petcock valve located on the left side of your motorcycle near the carburetor, from ON position to RES position. Currently, the fuel valve will be at ‘ON’ position when you are run out of gasoline in the main tank. Now, turn the valve 180 degrees to switch its position to ‘RES’.
What does PRI mean on a motorcycle?
PRI is for priming the carburetor. That means filling the carburetor up with gas if it is say the first time its ever been ridden or the gas was drained out for some reason.
Why do you shut off the fuel on a motorcycle?
The primary reason for shutting off the fuel is safety. On a motorcycle the fuel tank is directly above the engine. If fuel were to leak it would drip directly on the hot engine.
How does the fuel shut off valve work?
The fuel shut off has three positions run,reserve and off. The difference between run and reserve is the length of the fuel delivery tube that brings fuel out of the tank. The “normal” run tube rises about 35mm from the bottom of the tank. This means that when it stops delivering fuel approx 35mm of fuel left in the tank.
Why is the fuel petcock valve turned off on a motorcycle?
fuel injection has eliminated the use of carburetors and floats to control fuel flow. The primary reason for shutting off the fuel is safety. On a motorcycle the fuel tank is directly above the engine. If fuel were to leak it would drip directly on the hot engine.
What happens if you don’t shut off the carburetor?
Without the shutoff, if the carburetor float failed to close the valve tightly enough to stop the fuel flow, then gas would continue to trickle into the carb, overflowing the bowl and flowing down into the intake tract. If the intake valve were open, it would fill the cylinder.
The primary reason for shutting off the fuel is safety. On a motorcycle the fuel tank is directly above the engine. If fuel were to leak it would drip directly on the hot engine.
fuel injection has eliminated the use of carburetors and floats to control fuel flow. The primary reason for shutting off the fuel is safety. On a motorcycle the fuel tank is directly above the engine. If fuel were to leak it would drip directly on the hot engine.
The fuel shut off has three positions run,reserve and off. The difference between run and reserve is the length of the fuel delivery tube that brings fuel out of the tank. The “normal” run tube rises about 35mm from the bottom of the tank. This means that when it stops delivering fuel approx 35mm of fuel left in the tank.
When does a vacuum valve shut off the engine?
Vacuum Operated This is the most common valve found in use today. It uses engine vacuum createdwhen the engine is running to pull back a small piston that allows the fuel to flow. When the engine shuts off, the vacuum is removed and the fuel shuts off.