Secure your motorcycle. Make sure the motorcycle is in a stable and secure position. … Remove the fuel. … Remove fairings (if necessary). … Remove the seat (if necessary). … Disconnect any tank straps (if necessary). … Remove the tank bolts. … Disconnect the fuel pump and clear gas lines. … Disconnect the main fuse.
How do you change a motorcycle gas tank?
- Secure your motorcycle. Make sure the motorcycle is in a stable and secure position. …
- Remove the fuel. …
- Remove fairings (if necessary). …
- Remove the seat (if necessary). …
- Disconnect any tank straps (if necessary). …
- Remove the tank bolts. …
- Disconnect the fuel pump and clear gas lines. …
- Disconnect the main fuse.
How do you test a fuel pump on a Harley-Davidson?
The fuel pressure gauge test port is on the right side, between the cylinders, near the bottom of the throttle body. Kind of looks like a tire valve stem with a cap on it. You screw on the test gauge, turn on the ignition and see if the system comes up to pressure when you hear the fuel pump run.
How do you drain gas from a motorcycle?
There are a few ways to drain bad gas from a motorcycle. Such ways include disconnecting the fuel line from the carburetor and letting it drain into a container, removing the gas tank completely and draining it, or using a siphon pump. You’ll also need to do a thorough clean of the carburetor if you have one.How do you drain the fuel on a Harley Sportster?
You can drain the tank using parts that are already on the bike too ! Unplug the fuel hose from the tank bung then unplug it from the throttle body. There’s a button on the side of the hose that you depress and pull the hose out at the throttle body. Now plug the hose back into the tank bung.
How do you get rust out of a bike petrol tank?
The safest method of chemical rust removal involves mixing vinegar and baking soda to fill (or nearly fill) the tank. Let the mixture sit until it bubbles up and begins to change color with the rust particles. Then rinse thoroughly to ensure it’s completely empty.
How do you drain dirt bike fuel?
- Park your dirt bike in an open, ventilated area such as the driveway. …
- Follow the fuel hose from the bottom of the tank to the carburetor. …
- Redirect the loose hose end to the nozzle of an open and empty portable gas can. …
- Open the top of the gas tank and look inside.
What size is Harley fuel line?
Factory lines are 1/4″.How does the reserve tank work on a Harley?
The main use of reserve tank is when the main fuel tank runs out of gas, you can switch to the reserve tank and use the fuel there to go to your nearest gas station. The RES switch on the fuel valve helps you to use the fuel stored in reserve tank when your main fuel tank has run out of fuel.
How long does it take for gas to go bad in a motorcycle?Unstabilized gas in a motorcycle can start going bad in about 30 days, especially when it is not being used. The exposure to oxygen eventually changes the chemistry of gas which can lead to gum and varnish deposits. Gas should not be used if it has been sitting for longer than 6 months.
Article first time published onWhat do you do with old motorcycle gas?
If the fuel is a couple of months old, it has already started to separate and some of the additives have evaporated. If you only have a little fuel in the tank, add fresh fuel and swish it around. If you have a half tank or more, add some fuel stabilizer.
How far can a Harley go on a tank of gas?
Harleys with 4.7 – 5 gallon tanks can travel between 130 – 160 miles on a full tank of gas. For those that went on to about 160 miles before refilling, the fuel tank gauge would be extremely low, and the bike about to die. This means that 160 miles and above on a Harley is pretty good mileage.
What kind of gas does a Harley use?
Many Harley-Davidson owners have asked if they can use 87 octane gas in their motorcycles. Harley-Davidson advises owners of all fuel-injected models to use premium unleaded gasoline.
How do you flush out a gas tank?
- Drain. Drain fuel tank into an approved container.
- Clean Outside of Tank. Clean rust and debris from the top of the fuel tank.
- Remove Fuel Pump. Remove the fuel pump from the tank.
- Swirl. …
- Clean Inside of Tank. …
- Swirl Again. …
- Drain and Dry. …
- Inspect.
How long do you leave vinegar in a gas tank?
Be sure that all excess gasoline residue is removed (until the water runs clear, without a gasoline odor). Then, fill the tank with vinegar and let it sit for between 12 and 24 hours. Remove the vinegar from the tank and rinse it thoroughly with water once again.
How do I clean my motorcycle gas tank with vinegar?
Vinegar. Vinegar can be used to clean rust from the inside of a gas tank because it contains acetic acid. This can be accomplished by filling the gas tank with water and then draining that. Next, plug the hole where the petcock goes, and fill the tank with the vinegar, leaving it in overnight to dissolve the rust.
How do you tell if my Harley is fuel injected?
If you have a petcock (left side of tank near cowbell) then you have a carb. No petcock, you have EFI.
What should Harley fuel pressure be?
Fuel pressure should remain steady at 380-425 kPa (55-62 psi). Turn off the engine and watch the fuel pressure gauge. If the pressure drops it indicates a defective line, regulator, injector or pump check valve.
How does a Harley Davidson fuel pump work?
A fuel pump works by a diaphragm moving and creating alternating vacuum and pressure. This drawing and pushing is regulated by check valves that only allow one-way flow. The geometry of the diaphragm plus the speed of the pulse dictate pressure and volume flow.
