When to turn off the fuel petcock valve?

When to turn off the fuel petcock valve?

If the bike starts to sputter, you’re probably low on fuel,you can then switch reserve and have maybe another 50 miles of fuel left. I always set the valve to off if it won’t be ridden within a days time. But the carb flooding is also a damn good reason to use it. Parking for a while won’t result in a flood.

Can a petcock be used as a fuel pump?

the fuel petcock could be vacuum operated, closing with the engine off. the fuel tank could be lower than the carbs, making a fuel pump necessary. fuel injection has eliminated the use of carburetors and floats to control fuel flow.

When to replace a vacuum petcock on a car?

Replace the petcock with a new one. You can probably locate one that would work that is not a vacuum petcock. The bolt pattern in the fuel tank is extremely common. There is no actual reason to install a vacuum petcock on a vehicle. Just turn the fuel off when you will have the vehicle parked for an extended period of time, like overnight.

Can a petcock be replaced on a bike?

Replace the fuel petcock as previously suggested, however, also check that your oil level has not increased above its full mark. I have had a petcock and carburetor float issue at the same time and it caused the bike to fill the crankcase with gas.

Why is my gas going into my petcock?

If the needle valve in the carb is faulty, fuel should be dripping out the overflow tube on the bottom of the carb (#16 and 21 in the second pic) unless its plugged up or someone has it routed up higher than the carb bowl so it can’t let the excess fuel drip out. Its supposed to hang straight down toward the ground.

What to do if gas is going into your crankcase?

It WILL NOT fix the problem. If the petcock isn’t shutting off the flow of fuel, it needs replaced but that still won’t fix whatever is allowing fuel into the engine. Pull the outlet line off the petcock to see if it will shut off the flow and then you’ll know for sure if it needs replaced.

What kind of car has a bad petcock?

Got a 2003 Sportsman 700 Twin used mostly by the old guy for plowing snow .Went to do a maintenance run and no start looked in the tank no gas /oil is over full .Is this just a bad petcock or more and how hard it ti to replace repair ? ~~Old Geez The petcock is bad if you turned it off and it still fills the engine.

If the bike starts to sputter, you’re probably low on fuel,you can then switch reserve and have maybe another 50 miles of fuel left. I always set the valve to off if it won’t be ridden within a days time. But the carb flooding is also a damn good reason to use it. Parking for a while won’t result in a flood.

the fuel petcock could be vacuum operated, closing with the engine off. the fuel tank could be lower than the carbs, making a fuel pump necessary. fuel injection has eliminated the use of carburetors and floats to control fuel flow.

What does the petcock do on an ATV?

The fuel valve, or fuel petcock, is a small shut-off valve that controls the flow of liquid fuel. ATVs and UTVs, like motorcycles, have fuel tanks that are situated higher than the carburetor and fuel feeds are controlled by gravity.