Known for his minimalist approach to design and style, Salinas Boys own Cole Foster designed this low-slung gas tank to add some class to your custom Harley-Davidson Sportster. The Cole Foster Motorcycle Gas Tank fits 2007 & up Harley-Davidson Sportsters, which have Electronic Fuel Injection (EFI). It comes complete with a knurled aluminum vented gas cap, and uses your stock fuel pump and gas tank mounting hardware.
With a capacity of approximately 3.25 gallons you will have plenty of gas for those long moto trips. This gas tank swap is an easy install for novice or experienced motorcycle builder alike.
How to install Cole Foster gas tank on Harley-Davidson Sportster
Tools needed to upgrade gas tank
- 1/2 inch wrench
- 1/2 inch socket
- 3/8 Drive Ratchet
- 1/4 Drive Ratchet
- Flathead Screwdriver
- T25 Torx Bit
- 1/4 inch Allen
All the tools needed for the job.
Removal gas tank and fuel pump on your motorcycle
Step 1. Remove the seat screw from the fender with a flathead screwdriver. Push forward on the seat to release from the tab located in the middle of the seat. After it releases, pull back on the seat of Sportster from the tank to release the tab from underneath the tank.
Step 2. Remove the front and rear tank bolts. The front use a 1/4 inch allen and 1/2 inch wrench to loosen. Use a 1/2 inch wrench and 1/2 inch socket to remove the bolt from the rear.
Step 3. There are 3 things we have to disconnect before removing the tank from the bike.
- 1. You have to unplug the electrical wiring going to the fuel pump.
- 2. Pull the anti vapor valve hose from the tank.
- 3. There is a quick disconnect valve located on the fuel pump itself that must be disconnected too.
Step 4. Now you can remove the tank from the bike.
Step 5. Make sure fuel cap is fully tightened. Carefully turn the tank upside down on a soft cloth to protect it and remove the 5 screws that hold the fuel pump in place with a T25 torx bit.
Step 6. Remove the fuel pump assembly from the tank, this may take a little finagling but be patient and note how it comes out to make it easier to go into the new Cole Foster Gas Tank.
Step 7. Check the fuel pump plate gasket to see if it is in good shape or if it needs replaced. It should be seated properly, flat on each side, with the rounded portions keeping it seated in place in the groove.
Install Cole Foster Gas Tank on Harley-Davidson Sportster
Step 8. Install the fuel pump into the Cole Foster Gas tank. Tighten down the 5 plate screws until they are all snug, then go back around and completely tighten. The fuel pump does have a factory torque spec on those screws, which is in inch pounds, be sure to look that up in your service manual.
Step 9. Install the Cole Foster Gas Tank on to the bike using the same front and rear bolts.
Step 10.
- 1. Plug your electrical wiring connector back in after tucking it behind your quick disconnect valve on the fuel pump and behind your rear spark plug wire.
- 2. Plug in your fuel line back into the quick connect valve on the fuel pump. Push up on the silver cylinder, push the fuel line up and it will click into place.
Step 11. Put some gas in the new tank, screw the gas cap on, and GO FOR A RIDE!!!
Complete swap gas tank on Sportster
The Before
The After
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