Home Forums 2-Cycle Racing WKA Y Pipe installation questions

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    • #25543
      Joshua Guiher

      I have a few questions on the install of a pipe as I am completely new to karting.

      1) Does anyone have a photo showing a completed setup with the pipe on the kart? Tried google images and didn’t find anything.

      2) Should there be a gasket between the motor and the header?

      3) What is the best way to stretch springs over the pipe where it rests on that “shelf” or whatever you all call it.

    • #25627
      Joshua Guiher

      Thank you.


      This is the cradle we have, it appears to have the desired rubber grommets



    • #25626
      Walt Gifford

      If the exhaust hole in the engine has a recess it needs a gasket. If not the gasket is already in there. Sometimes the gasket gets smashed down and carboned up so much it looks like part of the cylinder.

      The springs from header to pipe should go from top to bottom in a spiral. If they go straight across they can vibrate and fly off.

      There should be some kind of pipe mounting stem coming off the left bearing area. You use this to mount a pipe cradle hopefully with some kind of flexible rubber grommets.

      You can stretch the cradle springs by grabbing them with vise grips or they make special spring hooks with a handle.
      Hope that helps,

      FAA certified jet engine and aircraft technician,
      Nicholson Speedway class champion 2001,
      Yamaha KT100 Service Center,
      41 years karting experience

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