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Depressurizing Fuel System

Discussion in 'Motorcycle Tech Talk' started by Devolution, Jun 19, 2010.

  1. Devolution

    Devolution New Member

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    Hey Guys, I just made a rookie mistake. This is my first fuel injected bike. I have a 08 Heritage and I bought a 16" ape hanger kit prewired brake lines and cables from Hill Country. I took the old handle bars and controls off the bike before depressuring the gas tank. Now I am ready to run the new throttle cables and because I am used to a carbed engine I thought it would be a snap to remove the tank to get to the connections and cables. Then the thought occured to me that I have the fuel injection and rather than risk turing my Father's day project into a fire ball I knew I needed to depressurize the fuel. I with the throttle grip and controls off the bike and the fuel pump fuse pulled I tried starting the bike and it wouldn't start. Is there another way to depressurize the tank? How much fuel actually sprays out if you just pull the line?
    thanks for the help.
    Devolution, Jun 19, 2010
    #1
  3. chucktx

    chucktx Moderator Staff Member

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    the line from the tank is similar to a quick disconnect air lline fitting. you just pull the outer ring back and the line will pull from the tank. both sides have a checkball so the amount of fuel lost is nearly 0......hope this helps. a better tool for working on your bike is the factory service manual......
    chucktx, Jun 19, 2010
    #2
  4. Devolution

    Devolution New Member

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    Thanks Chuck. I have the shop manual but was so excited to have my new bars, I mocked it up without reading my manual first (DOH!).
    Devolution, Jun 19, 2010
    #3
  5. chucktx

    chucktx Moderator Staff Member

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    have fun with it, dont forget to post up some pics!!!
    chucktx, Jun 19, 2010
    #4
  6. hotroadking

    hotroadking Super Moderator Staff Member

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    Opening the filler cap will release any tank pressure, however it's not necessary, as Chuck said just pop off the fuel line.

    You will loose fuel from the front crossover, remove one side and fuel will come out of the hose and open end. JMO it's a PIA but it has to be done.

    You can take some small vice grips and clamp the hose then pull it off, to stem flow
    then put your finger over the open hole the hose comes off.
    hotroadking, Jun 21, 2010
    #5
  7. chucktx

    chucktx Moderator Staff Member

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    oops........ forgot about the crossover. thanks hrk
    chucktx, Jun 21, 2010
    #6
  8. FLHTbiker

    FLHTbiker Moderator Staff Member

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    Yep that cross over can be a pain in the asss. A hose clamp off tool is good on the hose and a second short hose already plugged at the end then insert it on the end with your finger on it. Might also want to put a hose clamp on the short hose to keep it from being pulled off accidentally.
    FLHTbiker, Jun 21, 2010
    #7
  9. Devolution

    Devolution New Member

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    Thanks guys. I got the tank pulled and wired up the handle bars, routed the throttle cables and attached the new clutch cable and brake line. I have a few bugs to work out in the hand controls, problably a pinched wire, but I'm good to go. The Hill Country handle bar kit is really the way to go it came with everything I needed except time and fluids. I will be posting picts soon. Thanks for all of the help, you guys are great.
    Devolution, Jun 22, 2010
    #8
  10. hotroadking

    hotroadking Super Moderator Staff Member

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    Yeah its not that difficult just time consuming

    Did you run the wires internally in the bars or just outside.
    hotroadking, Jun 22, 2010
    #9
  11. hotroadking

    hotroadking Super Moderator Staff Member

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    Yeah its not that difficult just time consuming

    Did you run the wires internally in the bars or just outside.
    hotroadking, Jun 22, 2010
    #10
  12. chucktx

    chucktx Moderator Staff Member

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    looks like ya picked up an echo hrk!!!!!!!!!!!!! lol lol
    chucktx, Jun 22, 2010
    #11
  13. fxdxriderleo

    fxdxriderleo Active Member

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    nah, just his finger is stuttering.
    fxdxriderleo, Jun 22, 2010
    #12
  14. hotroadking

    hotroadking Super Moderator Staff Member

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    i dunno what happened

    i dunno what happened
    hotroadking, Jun 23, 2010
    #13
  15. Devolution

    Devolution New Member

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    Hey HotRoad, the kit from Hill Country comes pre-internal wired, it pretty slick. all I did was tell them what model/year and risers and they shipped everything in the correct length. here's a couple of pictures after installation.

    Attached Files:

    Devolution, Jun 24, 2010
    #14
  16. chucktx

    chucktx Moderator Staff Member

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    looks good!!! nice job!
    chucktx, Jun 25, 2010
    #15

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