Full Answer
How does a petcock drain work?
0:136:28Petcock Tutorial - YouTubeYouTubeStart of suggested clipEnd of suggested clipYes you heard right it's called the petcock the petcock is a valve that turns on and off your mopedsMoreYes you heard right it's called the petcock the petcock is a valve that turns on and off your mopeds gasoline flow specifically it turns on and off the gas flow between the tank and the carburetor.
What is the purpose of petcock?
A petcock is a small shut-off valve used to control the flow of liquid or gas. Historically, petcocks were threaded valves controlled by a butterfly handle; modern petcocks are typically ball valves.
How do you drain a petcock?
0:261:57Radiator Petcock: 2 Minute Tuesday Shop Tip - YouTubeYouTubeStart of suggested clipEnd of suggested clipWell you climb down underneath here. And you might have a nice little drain underneath here at theMoreWell you climb down underneath here. And you might have a nice little drain underneath here at the bottom of the radiator or petcock. Something that'll make it super easy to drain your radiator.
Why is it called a petcock?
petcock (n.) also pet-cock, "a small plug-cock, made to be fastened to a pipe and used for draining water and condensation from steam cylinders, etc.," 1864, from cock (n. 2); the signification of the first element is uncertain.
What does a petcock valve look like?
0:057:21How does a motorcycle petcock work? - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis one is the the petcock can only draw gas from above. This line right here that's becauseMoreThis one is the the petcock can only draw gas from above. This line right here that's because there's the straw. Inside this filter element. Here just like that. And it pokes up into the gas tank.
When should I turn off my petcock?
To my knowledge the reserve setting is for reserving that last bit of gas. 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.
Should I drain old gas from motorcycle?
If you are storing your motorcycle for a longer period of time such as several years, it is best that you completely empty the gas tank and fuel system altogether. Though this does run the risk of condensation build up inside the gas tank, your risk is higher with keeping old gas in there and letting it sit.
How do you completely drain a gas tank?
Method 1 of 2: Draining a gas tank using a siphon pumpMaterials Needed.Step 1: Drive the vehicle until the fuel is as low as possible. ... Step 2: Feed the siphon pump tubing into the fuel tank. ... Step 3: Pump the fuel into the fuel storage tank. ... Step 4: Dispose of or store the fuel. ... Materials Needed.More items...•
How do you drain old gas from a motorcycle?
0:001:33How To Drain A Motorcycle Gas Tank - YouTubeYouTubeStart of suggested clipEnd of suggested clipLine off the carburetor. Get a big piece of radiator hose run it down to a gas can.MoreLine off the carburetor. Get a big piece of radiator hose run it down to a gas can.
Do you need a petcock?
A carburetor needs a petcock because it needs a way to control the flow of fuel to the engine. Without a petcock, the carburetor would just dump all the fuel into the engine at once. This would cause the engine to run too rich and it would flood.
What position should my petcock be in?
0:292:54How to use a Fuel Petcock // Fuel Valve // Motorcycle // Yamaha TW200YouTubeStart of suggested clipEnd of suggested clipSo on my 2021 tw200 the fuel petcock is located right beneath the tank on the left hand side of theMoreSo on my 2021 tw200 the fuel petcock is located right beneath the tank on the left hand side of the vehicle.
Why do motorcycles have a petcock?
The purpose of a motorcycle petcock is to allow the rider to control the fuel flow to the engine. The petcock has three positions: ON, OFF, and RESERVE. The ON position allows fuel to flow from the gas tank to the engine.
What position should my petcock be in?
0:292:54How to use a Fuel Petcock // Fuel Valve // Motorcycle // Yamaha TW200YouTubeStart of suggested clipEnd of suggested clipSo on my 2021 tw200 the fuel petcock is located right beneath the tank on the left hand side of theMoreSo on my 2021 tw200 the fuel petcock is located right beneath the tank on the left hand side of the vehicle.
Where does the petcock vacuum hose go?
It should connect to the petcock next to the fuel line. You should see a smaller fitting usually on the front of the petcock with a round housing behind it. This is where the vacuum diaphram is. Engine vacuum turns on the petcock to deliver fuel to the carb only when the engine is running.
What is a petcock urinal?
Urinal Cistern Plastic Side Filling Petcock. A plastic filling pet cock for urinal cisterns, this petcock slowly fills up the cistern after the auto flush has emptied. Has a standard 1/2 inch thread and can be adjusted by removing the end cap and twisting the valve inside to control fill rate.
Where is the drain petcock located?
Removing the lower radiator hose removes more coolant. A radiator drain petcock is usually located above the bottom of the radiator. So even if you can open it, you’re not draining the radiator completely. That’s why shops always remove the lower radiator hose.
How long does it take for coolant to drain out of a car?
Then the mechanic simply reinstalls the lower radiator hose and refills the system. The entire drain procedure takes about 5-mins.
Why no radiator drain valve?
If a shop is going to flush a cooling system, they’d install a flushing tee and attach flushing equipment. If they’re going to do a radiator drain and fill , they’ll loosen the hose clamp on the lower radiator hose and just remove the hose. All the coolant from the radiator and lower part of the engine drains out quickly using that technique. Then the mechanic simply reinstalls the lower radiator hose and refills the system. The entire drain procedure takes about 5-mins.
What is the valve called that flushes coolant?
Many DIYers want to flush their car’s coolant themselves and the first obstacle they encounter is finding the radiator drain valve. The valve, called a petcock , has changed since the old days when it was made from brass with a “T” handle.
How to loosen a worm drive hose?
Loosen the hose clamp on the lower radiator hose. If it’s a worm drive clamp, use a screwdriver to loosen it. If it’s a constant tension spring clamp, use a slip jaw pump pliers or a special hose clamp removal pliers to open the clamp and move it away from the radiator neck.
How does an O-ring valve work?
1): Since the O-ring is welded to the seat, the flat portion twists and breaks off. Now the valve can’t be opened. 2): The valve opens slightly and the flat either breaks off or the engine stem breaks off, leaving a portion of the stem inside the valve. Coolant begins leaking out and there’s no way to stop it.
Can you open a plastic radiator drain valve?
But what if your radiator has a drain valve? Well, my advice is: DON’T OPEN IT! Plastic drain valves usually have a flat portion for twisting and an O-ring washer at the end of the valve. Over time, the O-ring welds itself to the drain valve seat. When you try opening the valve you can encounter several really bad scenarios:
How many rings are in a Danco 96728?
Danco.com 96728, #11 o-ring (3/4" O.D. X 9/16" I.D. X 3/32") you get 10 rings in the little container. Purchased at the orange colored big home supply store. $2 and something. This tip will save you around $25.00 of buying a new petcock insert.
Can you put silicone grease on petcock o rings?
Maybe apply a light smear of silicone grease to the o-ring on the new petcock? That way it might not bind and tear next time it needs to be opened? Some Ace Hardware stores have a great selection of o-rings.
