1994 Yamaha YZF 750 R "petcock" Questions

...stopping and it does this repeatedly, It sounds like a fuel problem. Most likely it's either the petcock or the fuel tank vent system. First, If your bike is made after 1996, it probably has the ...

...have a full tank of fuel and be "out of gas" in the carb. The culprit could be the vacuum operated petcock. The petcock has a diaphragm in it that is opened by engine vacuum. If that diaphragm is

my 1998 Dyna has a small leak or drip coming from petcock my 1998 Dyna has a small leak or drip coming from a small nipple that sticks down from the petcock. Is it time for a enw petcock or will some ...

...fuel wont go through the lines to get it started You're bike may be equipped with a vacuum operated petcock. See if the fuel valve has a "prime" position on it. If so, put it in this position. If you ...

What is the open position for the fuel petcock...parallell to the ground? Or is is it perpendicular...basically which way is ON, OFF, RESERVE? The petcock on your bike is supposed to be one of the ...

...was so I'll just take a guess here. In 1996 and later, Harley started putting vacuum operated petcocks on their bikes that are equipped with a carburetor. It should have a small vacuum line ...

fuel tank petcock vacuum operated What exactly is the problem with the petcock? If it is a vacuum operated petcock and it is no longer allowing fuel to the engine check the following: First, did you ...

I have a 2005 deluxe injected and my petcock is leaking whats the fix for this PLEASE? If it's a stock petcock, it should be one of the vacuum operated types. You can get rebuild parts from Harley

...What is the problem and how can I fix it? Tks. Bruno Your bike is equipped with a vacuum operated petcock. To check the petcock out, you must remove it from the tank. I usually use a large funnel ...

how find out reserv or main at petrol tank Do you have a petcock on the bottom of the gas tank? If so, if you have a "reserve" the petcock will have three positions, off, regular and reserve. If you ...