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Dunerunner Rebuild

Discussion in 'Dunerunner' started by G-Man, Apr 11, 2017.

  1. G-Man

    G-Man Junior Member

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    Oh man sorry to hear about the pulley!! On a good note the tires worked out!
     
  2. Phill

    Phill Well-Known Member

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    I may have come up with a better idea than the plastic pulley.
    I'll keep you informed.
    It's back to gears for a while.
    Luckily I had a pin set up ready to go on a spare plate.
     
  3. G-Man

    G-Man Junior Member

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    Ugggh gears!! Hey at least you had back ups.
     
  4. G-Man

    G-Man Junior Member

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    Found a new spot dirtbikes ride at. It is a crazy place to run 5ths!! 20180414_142246.jpg
     
  5. G-Man

    G-Man Junior Member

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  6. Phill

    Phill Well-Known Member

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    Great place
    I'd like to find something similar here
     
  7. Phill

    Phill Well-Known Member

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    Hi Gman
    Can you do me a favour and measure the diameter of the idler pulley for me?
    In mm pls
    Thanks in advance.
     
  8. G-Man

    G-Man Junior Member

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    Sorry Sir!! I did not get a notification from your post. I just saw it now. I can measure that for you if you still need it
     
  9. Phill

    Phill Well-Known Member

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  10. G-Man

    G-Man Junior Member

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    The diameter where the belt rides is 17mm. The outer diameter is 28.8mm, so I'd assume 29mm. The width with the two plastic idler pulley pieces together is 34mm. Hope it helps
     
  11. G-Man

    G-Man Junior Member

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    20180421_032513.jpg 20180421_032442.jpg 20180421_032419.jpg
     
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  12. Phill

    Phill Well-Known Member

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    Thanks mate
    Much appreciated :)
     
  13. G-Man

    G-Man Junior Member

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    20180419_181526.jpg 20180419_175513.jpg 20180421_032942.jpg Just installed an ESP race ported head and piston kit on this Zenoah g320. We will see how it goes. Should scoot pretty good
     
  14. G-Man

    G-Man Junior Member

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    No problem at all. Getting aluminum pulley made?
     
  15. Phill

    Phill Well-Known Member

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  16. Phill

    Phill Well-Known Member

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    Not sure yet.
    Looking at options.
    I have the 0.65:1 set up that I bought before I realised the shaft holes were too big so I may work something out between the two.
     
  17. G-Man

    G-Man Junior Member

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    Here is a short video of the first start up after installing the ESP race ported head and piston kit on the Zenoah g320 I have in my DR
     
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  18. Phill

    Phill Well-Known Member

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    Looks and sounds good.
    Mine hasn't been that clean since new.
     
  19. G-Man

    G-Man Junior Member

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    Thank You very much!!! I do try and keep it clean, but it is no shelf queen as you have seen in some of the videos. I am going to put it on the ground today to finish up the break in process. I'm dying to see what you come up with on that pulley
     
  20. G-Man

    G-Man Junior Member

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    Here is an actual running video I did today. Still being easy on the throttle and only running it for ten minutes at a time. Don't mind the pesky 5t BTW. Once this engine is broke in he will be defeated ahahahahaha
     
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