How do you know if you have a bad petcock?

How do you know if you have a bad petcock?

If you smell or see gas in the vacuum line on the petcock then it is for sure bad. The first symptoms of a failing fuel petcock (remember this only applies to vacuum regulated ones): Your engine will start running really rich. You can tell if it is running rich by pulling the spark plug.

How does a vacuum 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 is a petcock on 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. The RESERVE setting is used to access the bottom portion of the fuel tank.

How do I replace my petcock?

1. Step 1: Drain Fuel Tank. With the petcock closed, remove the fuel lines connected to it.
2. Step 2: Remove Old Petcock. Use a box wrench to unscrew the “gunk collector” at the bottom of the petcock, then a pair of pliers to remove the inner screen and o-ring.
3. Step 3: Install New Petcock.
4. Step 4: Replace Tank on Bike.

How can I tell if my petcock valve is leaking?

The most effective way to detect leaking petcock is to witness it with your own eyes. Yes, when you see fuel dripping from your bike, sitting on top of its motor, or can smell gas around it; possibly the fuel is leaking from the petcock valve.

Can you ride a bike with a leaking petcock valve?

Even though you can ride your bike with a leak in the petcock valve, it is not such a great idea with a heated engine next to it. Such a situation can result in a blast. Once you know that it is the petcock that is leaking, you can perform the following DIY tricks to fix it and bring your bike back on tracks.

How do you repair a fuel tap petcock?

In this video, I demonstrate the proper method of repairing a leaking fuel tap petcock. Sometimes the seal is bad, sometimes the diaphragm is bad , you just have to take them apart, clean, inspect and repair what’s not working right. Very simple process.

Can you replace a petcock on a Harley Davidson?

You can replace with any non vacuum petcock but it should be turned off every time you shut the bike off to prevent fuel over flow at the carb. Do they give their reasoning for that statement?

Is there a repair kit for a petcock?

Kits will fix a leaky or inoperable petcock with parts that exceed OE specifications. Made for todays fuel. Scroll down to see what we offer. Petcock Rebuild Kit (quarter not included:)

In this video, I demonstrate the proper method of repairing a leaking fuel tap petcock. Sometimes the seal is bad, sometimes the diaphragm is bad , you just have to take them apart, clean, inspect and repair what’s not working right. Very simple process.

Can a petcock be rebuilt on a CB350?

This is the key part to rebuild a early petcock. Fits CB/CL350-450’s up to 1974 that have a petcock that screws on with a large nut to the tank. Fits CB350 Fours up to CB750’s where the petcock mounts to the gas tank with two screws that you get to by removing the sediment bowl on the bottom.

Where is the dial seal on a Honda petcock?

This is a Factory Honda replacement dial seal (the seal behind the petcock lever) for the models of early Honda’s listed below. There are two different sizes available and they only fit bikes listed and are not the same as later models that are not listed. This is the key part to rebuild a early petcock.