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Spark plug wire

Discussion in 'Stelvio Chat & Tech' started by gerryguzzi, Jul 4, 2016.

  1. gerryguzzi

    gerryguzzi Just got it firing!

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    I firstly tried to get an answer via a conversation with Canuck1969 but I don't think I connected properly.
    So I will try this post. Tried to disconnect my left spark plug cap from the plug of my 2011 Stelvio. I failed and the wire broke off. The cap is the NGK SBO5EP.
    I really don't know how to fix the problem. Do I need a new cap, new wire? Can you reconnect the existing wire to the cap...new or old???
    As you can see I am at a loss as to what to do....Thanks and Regards.
     
  2. john zibell

    john zibell Moderator Staff Member GT di Razza Pura

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    The NGK cap screws into the high tension lead. If the wire broke off in the cap, it could be tricky to get the broken piece out. If there is enough lead remaining you can screw the cap back onto the wire, if not you may need a new cap and wire.
     
  3. gerryguzzi

    gerryguzzi Just got it firing!

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    Got it and seems to have properly reconnected....Many Thanks...
     
  4. canuck1969

    canuck1969 GT Reference GT Contributor

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    Was just about to answer you in the PM but sounds like you have it all straightened out.

    Here is a tutorial on the cap just in case it comes out again. If it striped out the first time it may want to do it again. You may want to trim a little off the end of the wire and then re-thread it on the cap just to be sure. If you don't have a good connection it will cause issues.

    Next time you pull it insert a flat bladed screwdriver into the slot just above the exhaust port. From there you will be able to pry up the plug so it does not happen again.

    Glad you got it straightened out.
     

    Attached Files:

  5. scottmastrocinque

    scottmastrocinque Scott Mastrocinque GT Famiglia

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    You don't need to use a sledgehammer to push in a thumbtack!

    Get yourself some cheap zip ties at the auto parts store. A nice 6-9" long. Bend the pointed end so it is at a 90 degree angle, like the letter "L". Now just start from the right hand side (if you are right handed) and fish the zip tie UNDER the plug wire on the motorcycle and push it through and low and behold, that little bend you made in it, will cause it to go under the plug wire and come back up towards you on the other side of the plug wire. Now, slide the wire down until it is completely under the plug cap.

    Now the tough part.

    If you want to keep and reuse the zip tie, take both side of the zip tie and pinch them together and grab it with a pair of pliers and simply lift up. The zip tie applies the lifting force to the back side of the plug wire cap and *Pop* it will come right off. Because all of the force was applied to the hard bakelite plastic body of the cap, rather than the soft rubber coated wire, no damage occurs. You can reuse the zip tie.

    If pliers aren't handy, sacrifice the zip tie by threading it together just enough that you leave a space for your index finger to grasp the zip tie. Now gently pull upwards with your index finger and again *Pop* it will come right off. Slide zip tie off the end of the spark ply wire and throw in trash.

    Go search this number at YouTube.com and watch the video. You'll understand instantly.

    XPQFl7W-H88

    Best wishes.
     
    Last edited: Jul 10, 2016
    Pete BoBeet likes this.
  6. Roose

    Roose Tuned and Synch'ed

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    I see and understand the replacement of the spark plug boot/cap. Is there not a full set spark plug wire and cap available?
     
  7. john zibell

    john zibell Moderator Staff Member GT di Razza Pura

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    No. Even the factory setup is separate wire and cap.
     

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