How does a vacuum fuel petcock work?
The way a vacuum petcock works is the vacuum pulls the diaphragm back, compressing a spring and releasing pressure on a ball or some other sort of valve, this allows fuel to flow around the ball and to the carb.
What does PRI mean on a petcock?
ON-RESERVE-PRI. ON is on. Reserve is reserve and PRI is Prime. Prime bypasses the diaphragm so you can fill the carbs with gas after they have been drained. Set it on PRI, fill the carbs and put it back to ON.
Why does my Suzuki petcock run out of gas?
All prime will hurt is that you will pass reserve and if you are trailering the quad, it can splash around inside the carb and run out the overflow. Also your problem with running on ON is that the tank is probabily lower on gas than what the screen pickup will reach.
What does petcock stand for on Suzuki PRI?
The mysterious “PRI” on your fuel petcock does indeed stand for “prime”. The only purpose of this selection is the event you work on the carb, or drain the fuel, you can select “pri to fill the float bowl, without having to crank the engine.
Do You need A petcock on a Suzuki LTZ?
Truth be told the LTZ doesn’t really need the vacuum petcock, buts its a Suzuki thing, dating back to the earlier streetbikes that liked to flood out after sitting more than an hour.
Can a petcock Prime run on vacume gas?
Prime is just like an ordinary petcock that doesn’t use vacume to let the gas flow. It has nothing to do with how much gas is used or how fast the tank is drained. Your float needle and seat restrict how much fuel enters the carb.
What causes Suzuki Eiger 400 to hesitate and backfire?
Suzuki eiger 400 hesitates and backfires What is the on/off position of the choke lever. I’ve cleaned/rebuilt carb replaced spark plug, flywheel, stator, fuel valve, fuel filter, main (choke) diaphragm with plunger and CDI. When in neutral and I accelerate it hesitates sputters and backfires, but eventually builds RPM.
How to test the petcock on a Suzuki?
Disconnect the fuel line at the carb, and run the hose into a gas can. Turn the petcock to prime and let the gas drain into the can. Remove the vacuum line, and block off the vacuum tap on the carb… (use a screw, gas resistant rubber cap, golf tee,.. whatever)… Remove the old petcock (two screws)…
All prime will hurt is that you will pass reserve and if you are trailering the quad, it can splash around inside the carb and run out the overflow. Also your problem with running on ON is that the tank is probabily lower on gas than what the screen pickup will reach.
Prime is just like an ordinary petcock that doesn’t use vacume to let the gas flow. It has nothing to do with how much gas is used or how fast the tank is drained. Your float needle and seat restrict how much fuel enters the carb.