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  1. #1
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    Default Need help Mounting Exhaust

    Im trying to put on my expansion chamber exhaust on my new bike. Its the bolt on one from gasbike.net, the problem is the pedals get hung up on it so i cant pedal the bike. I went to a bike store to see if they had spacers for the pedals cause i've seen someone do that before but they said the crank wasn't american made and its all one piece so i'd have to replace the whole thing which would cost around 100 bucks according to him. Wondering what i could do or if there's the parts out there that I can do it myself. I attached pictures of what it looks like now. Thanks
    Attached Images Attached Images    

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    Quote Originally Posted by jhendrix View Post
    Im trying to put on my expansion chamber exhaust on my new bike. Its the bolt on one from gasbike.net, the problem is the pedals get hung up on it so i cant pedal the bike. I went to a bike store to see if they had spacers for the pedals cause i've seen someone do that before but they said the crank wasn't american made and its all one piece so i'd have to replace the whole thing which would cost around 100 bucks according to him. Wondering what i could do or if there's the parts out there that I can do it myself. I attached pictures of what it looks like now. Thanks
    If you have the expansion chamber why didn't you put it in the pic as we have no idea which one you have. They all bolt on.........
    The pedals hit? or do the cranks hit?

    You can get shorter or wider cranks.....
    Pedal extenders are available.....
    You can convert your one piece crank to a 3 piece...

    Nice looking bike.


  3. #3
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    this is a expansion chamber what you posted is the stock muffler
    Name:  Black-Muff.jpg
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    how to make it fit... bend the pipe

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    Oops ya sorry I forgot to attach the picture of the actual exhaust I will do it when I get home but is there a place to get the new cranks online anywhere

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    Quote Originally Posted by jhendrix View Post
    Oops ya sorry I forgot to attach the picture of the actual exhaust I will do it when I get home but is there a place to get the new cranks online anywhere
    Many vendors have them on ebay, boygofast comes to mind, and they certainly don't cost $100.

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    ok heres the picture of the actual exhaust, and its actually the crank right where it meets the pedal that clips on the exhaust when I have it installed. sorry bout that
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    Did you try filing the mounting holes to elongate them enough to swivel the exhaust to a position more under the frame?

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    Quote Originally Posted by crassius View Post
    Did you try filing the mounting holes to elongate them enough to swivel the exhaust to a position more under the frame?
    how would I do that and still maintain a seal

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    I found this does anyone with better knowledge about bikes think that this would work?
    http://www.ebay.com/itm/bicycle-Moto...item2a1fca77ee

  10. #10
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    it looks like it will be a direct replacement for the clank on your bicycle currently.
    Adrian

    Specs;
    Silver & Black Melvin star 7 speed,
    Dellorto sha 16 type carby with red filter,
    Banana power pipe,
    Screaming roo compression head,
    NiCr performance lead
    SBP shift kit
    Manifold has been opened up to match intake hole for smoother air flow

    http://www.motoredbikes.com/album.php?albumid=1740

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