How to Remove a Gas Tank From an R1

by Leonardo R. Grabkowski

The most common reason for removing the gas tank from a Yamaha R1 is to access and replace the engine-air filter. However, you may also need to remove the gas tank to perform other repairs. The gas tank is mounted beneath the rider seat. It's attached by a few bolts and hoses. After the initial wait time, expect the procedure to last about 30 minutes. Exercise caution when removing the gas tank. The procedure is not recommended if you aren't familiar with automotive or motorcycle repair.

Step 1

Allow your R1 to sit for about two hours with the engine off. This will reduce the fuel pressure, thereby reducing fuel leakage.

Step 2

Peel back the rear edge of the rider seat. This exposes two metal bolts. Remove them using a 5mm Allen wrench. Grasp the rider seat and lift it off.

Step 3

Remove the Phillips screws (three per side) from the side panels. Push the panels forward to remove them.

Step 4

Remove the two 5mm Allen bolts that secure either side of the gas tank. Remove the 5mm Allen bolt at the front part of the gas tank, and then remove the Allen bolt from the rear part of the tank.

Step 5

Lift the front part of the tank. If you wish to remove the tank to replace the air filter, it's not necessary to remove the connections, hoses or fuel line. If you want to completely remove the gas tank, you'll need to disconnect the items.

Step 6

Squeeze the spring clamps on the two hoses. Pull the two hoses away from the gas tank.

Step 7

Unplug the two connections on the bottom of the gas tank. One is green, the other is white. Press the tabs to unhook them.

Step 8

Remove the plastic connection from the bottom of the fuel line. Squeeze the side tabs on the fuel line connection. Pull the line away. A small amount of fuel will likely leak from the line (but not the tank). Be prepared for this; have suitable shop towels nearby. Try to prevent any fuel from getting on your clothing.

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