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tt500 into a road bike

This is a discussion on tt500 into a road bike within the Project Builds forums, part of the Caferacer.net Forums category; Yeah, needle was going to be first hit after air leaks considering it starts at mid throttle. The nice thing about the VM is it's ...

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  1. #21
    Senior Member CAPTAIN AWESOME's Avatar
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    Yeah, needle was going to be first hit after air leaks considering it starts at mid throttle. The nice thing about the VM is it's super easy to make adjustments, especially on a single.
    TrialsRider likes this.

  2. #22
    Senior Member TrialsRider's Avatar
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    imho if it had an intake vacuum leak that should in theory make it a bitch to start and run away or not drop to idle quickly. Assuming everything else is well sorted, I'm optimistic that you can fix the problem you describe with a quick and easy adjustment to the needle position. At the very least it will determine if the issue is a lean or rich carburetor setting.
    CAPTAIN AWESOME likes this.

  3. #23
    Senior Member CAPTAIN AWESOME's Avatar
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    I hope you are right. This bike has fought me tooth and nail up until now, and I think it's finally going the right direction. In fact, it's exactly the reason you guys preach to buy a better bike up front and save TONS of money and frustration. Sometimes it's enjoyable to tinker on stuff like this, and sometimes it's just a frickin nightmare. This one got way too comfortable in the nightmare zone. I'd do it all over again though and I know that doesn't make any sense.
    drgonzo likes this.

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  5. #24
    Senior Member TrialsRider's Avatar
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    Quote Originally Posted by CAPTAIN AWESOME View Post
    .... This one got way too comfortable in the nightmare zone. I'd do it all over again though and I know that doesn't make any sense.
    Actually that makes perfect sense it means you're a qualified mechanical masochist.

  6. #25
    Senior Member CAPTAIN AWESOME's Avatar
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    Or I just really like puzzles and fixing previous owner mistakes.

  7. #26
    Senior Member TrialsRider's Avatar
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    or you just like puzzles and fixing previous owner mistakes





    Do you know anything about Harley ignitions?

  8. #27
    Senior Member CAPTAIN AWESOME's Avatar
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    Only Harley I've worked on was a 72 Ironhead and it had points. I'll never own another and it wasn't because of the ignition.


  9. #28
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    Timing was advanced too far. Reset it, and from what little I have been able to run it down the road, the flat spot feels like its gone. Still a little popping on decel, but I still think that's related to the hole I found. I'll get after it again in the daylight tomorrow and get another test run or two in.

  10. #29
    Senior Member CAPTAIN AWESOME's Avatar
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    I've been wrestling with this bike for a week now checking timing, jetting, plug, fuel flow, points, condenser, etc. Everything. Still had a weird break in power mid throttle that eventually just got to the point it was just backfiring and timing seemed way off without the points plate moving.

    Finally pulled the flywheel to find a sheered woodruff key and a shady source coil connection. I'm hoping once the replacements are in it will finally run properly.












  11. #30
    Senior Member TrialsRider's Avatar
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    Yup, that would do it :|
    I had a riding mower do that last year. I made a new key for it out of a piece of scrap steel
    The coil wires are insulated with varnish, if you're going to MacGuyver it; raid your ol lady's cosmetic supplies and coat the damaged wire with 'hard as nails' nail polish first

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