Gas Tank removal / fuel line disconnect - CBR Forum - Enthusiast forums for Honda CBR Owners


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Old 03-20-2017, 12:26 PM
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Default Gas Tank removal / fuel line disconnect

When removing the gas tank on a '06 F4i, do you have to either drain the tank or run it out of gas when you disconnect the fuel line in order to keep gas from flowing out?

I had not done this before. Or, if I did, there was a petcock to turn off, as I recall. There isn't a fuel petcock on a fuel injected motor.

I did lift the tank and manage to change out the air filter with my two daughters holding it up and the fuel line connected. One of them got some leaking gas. I didn't have a siphon or the desire to siphon out all the gas. The tank was full.

Also, how do you unplug / disconnect the fuel line from the tank? WIll the gasoline just rush out when you do that?

I can't even find a YouTube video on this.

Just got a like new yellow '06 F4I this weekend.
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Old 03-20-2017, 12:58 PM
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Leave the lines on the tank. Undo the nut on the fuel rail and remove the seal and line. Have a rag handy for a little gas to spill. For the return line, either clamp the line with a vice grip before disconnecting it, or pinch it with a pliers and remove it from the rail and plug it with a bolt.
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Old 03-20-2017, 01:02 PM
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Wonderful! But what is the fuel rail and which is the return line?

Thanks for your help.
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Old 03-20-2017, 01:18 PM
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The fuel rail is on the motor with the injectors.

The pressure line has a banjo fitting on it. It's on the right side of the motor by the frame. The return hose is on the left side by the FPR and is just clamped tight. Both go to the bottom of the tank.

The other hoses on the tank are drain tubes and don't have fuel in them.
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