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Thread: Bike starts. Revs balls off

  1. #1
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    5th March 2013 - 20:36
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    yamaha,ag100
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    Bike starts. Revs balls off

    Yea i push start it (bucket race bike) and it goes to pretty much full throttle and makes me shit a-little. I've been trying to figure it out and is the choke valve the cause? Click image for larger version. 

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  2. #2
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    13th November 2011 - 15:32
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    Hamilton
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    Check the manifold for an air leak?

  3. #3
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    9th October 2003 - 11:00
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    Does the throttle cable sit on top of the carb? Is the cable sheath sitting on top of the cable seat lip instead of being seated fully in?
    If a man is alone in the woods and there isn't a woke Hollywood around to call him racist, is he still white?



  4. #4
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    5th March 2013 - 20:36
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    Nah the manifold looks sweet is it possible to put the slide in back to front?Click image for larger version. 

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  5. #5
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    17th April 2011 - 14:39
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    Quote Originally Posted by agman View Post
    Nah the manifold looks sweet is it possible to put the slide in back to front?Click image for larger version. 

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    With a bit of force you could get the slide in the wrong way. The side with the sloping cut out goes to the idle screw.
    For a man is a slave to whatever has mastered him. Keep an open mind, just dont let your brains fall out.

  6. #6
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    17th April 2011 - 14:39
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    Nelson
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    Looking at the pic properly, it looks like the idle is on the throttle linkage and not the slide. Looks like your slide is stuck up in the pics. Has the slide got a wee grove in one side?
    For a man is a slave to whatever has mastered him. Keep an open mind, just dont let your brains fall out.

  7. #7
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    20th September 2009 - 14:02
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    Throttle cable routing may need checking.

    Does it snap back to full close smoothly, or does it drag?....check cables and the twist grip

    When Life thows me a curve
    ...I lean into it!

  8. #8
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    7th October 2011 - 20:01
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    bike sold :-(
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    yes you can put the slide in backwards but it will then not drop down to the bottom of the slide, this seems to be what is happening in photo one as all I can see is the carb needle not the slide which is what I would expect to see. This will lock the slide in full open position. Where you holding the throttle fully open when you took this photo? If you where not holding the throttle open check the slide is in the right way round so that goes all the way to the bottom of the slide, or check that the throttle cable or throttle tube is not holding it open.

  9. #9
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    5th March 2013 - 20:36
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    Quote Originally Posted by willytheekid View Post
    Throttle cable routing may need checking.

    Does it snap back to full close smoothly, or does it drag?....check cables and the twist grip
    Nah it drags back..


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  10. #10
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    5th March 2013 - 20:36
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    Quote Originally Posted by spanner spinner View Post
    yes you can put the slide in backwards but it will then not drop down to the bottom of the slide, this seems to be what is happening in photo one as all I can see is the carb needle not the slide which is what I would expect to see. This will lock the slide in full open position. Where you holding the throttle fully open when you took this photo? If you where not holding the throttle open check the slide is in the right way round so that goes all the way to the bottom of the slide, or check that the throttle cable or throttle tube is not holding it open.
    I will check the slide is in correctly


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  11. #11
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    17th February 2005 - 11:36
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    Quote Originally Posted by agman View Post
    Nah it drags back..


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    You need to fix that, and you need to ensure it has free play in the cable when the throttle is closed. Some people over adjust them thinking no play is ideal, but it's one of the best ways to make a bike shitty to ride.

  12. #12
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    5th March 2013 - 20:36
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    Cheers for the help guys. I wasnt quite seating the slide in properly...😶 just a novice move.


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