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  1. #1

    Rope Trick Problem

    I'm putting a new motor in my sl780 and was putting the drive shaft coupler on the new motor earlier when I ran into a problem. I used the rope trick to stop the pistons by putting it through the exhaust manifold but after I was done torquing it down, I realized I had just jammed the rope in the cylinder... I have been trying to dislodge the damn thing most of the day and just can't seem to get it to go. Anyone have any ideas?


  2. #2
    David Drkvampire2001's Avatar
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    Quote Originally Posted by renne150 View Post
    I'm putting a new motor in my sl780 and was putting the drive shaft coupler on the new motor earlier when I ran into a problem. I used the rope trick to stop the pistons by putting it through the exhaust manifold but after I was done torquing it down, I realized I had just jammed the rope in the cylinder... I have been trying to dislodge the damn thing most of the day and just can't seem to get it to go. Anyone have any ideas?

    First off the rope trick is not to put it in through the exhaust. my guess is, it ended up under a piston and then got caught between a piston and the wall. somehow or stuck in the crank somehow

    To do the rope trick correctly, remove the PTO spark plug, and make sure the piston is above the ports, then put the rope in through the spark plug hole
    Last edited by K447; 01-13-2015 at 09:17 AM.

  3. #3
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    You are supposed to put the rope in through the spark plug hole. Sounds like you pinched the rope in the exhaust port. You could try and push the piston down with a wood dowel through the spark plug hole since you cant spin the motor with the coupler. By the way the rubber bonded coupler only needs to be installed hand tight.

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    Connecticut CrazyA's Avatar
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    Or, if he was really unlucky, he fished the rope through the exhaust and it found its way into and down one of the transfer ports!!!!


  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    There is the possibility that damage was done to the piston/cylinder. So now the cylinder needs to be pulled off so cylinder and piston can be inspected.

    Also check for damaged piston rings.

    May I ask how you came to understand the rope trick involved feeding the rope into the exhaust port?
    Is there a place we need to correct the posted information?

  6. #6
    Yeah I realized very shortly after that it was a major bone headed move. On SBT's guide they say to just put a shop rag or something in the exhaust port so at the time I figured a rope would do the same. I had heard of the rope trick before but never used it before so didn't know the right way to do it I guess. I'll try to pull the cylinder.

  7. #7
    I got it out. Luckily no damage to piston or rings. And a lesson learned...

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