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O/TBike question ....lets keep it short!

Discussion in 'The Hokey Ass Message Board' started by choprods, Jun 9, 2004.

  1. I started my Vtwin-800CC motor on project bike and it seems to run a little weird/kinda lean and popping.
    I had to eliminate the"air box" from under the tank to allow for the relocation of radiator and electric fan.
    Im running the stock air cleaner ,but now with NO AIR BOX.
    ,My question is -will it ever run right with out that or will I have to replace it with a hand built[hidden] one/what will it require?
     
  2. CURIOUS RASH
    Joined: Jun 2, 2002
    Posts: 9,635

    CURIOUS RASH
    Classified's Moderator



    <font color="green">I think it may be the DeWalt angle grinder wedged in it.

    Maybe over revving that thing? [​IMG]

    Keep it short....yeah, right! [​IMG]

    RASHY </font>
     
  3. Hay Rashy- thats my gas tank!haven't sealed and finished the metal ones so an old plastic gearlube bottle is the replacement......just hold it up higher than the top of tank! [​IMG]
     
  4. I don`t know ****,but would guess without the air box(some
    have restrictors,air cleaners,etc.)you may be running lean?
    Poping,too much air?
    Bigger jets might be in order?
    Good looking bike.
    Good Luck...JR
     
  5. caffeine
    Joined: Mar 11, 2004
    Posts: 2,439

    caffeine
    Member
    from Central NJ

    is the "gastank" creating a vac*** and starving the carb? just a thought. try maybe "venting" the gastank.
     
  6. I know a little about cars and a lot less about bikes-what is the purpose of the air box anyways?
     
  7. Unkl Ian
    Joined: Mar 29, 2001
    Posts: 13,509

    Unkl Ian

    [ QUOTE ]
    -what is the purpose of the air box anyways?

    [/ QUOTE ]
    Probably to reduce inlet noise.

    Have you tried running it with the choke partially on to richen the mixture?
     
  8. abe lugo
    Joined: Nov 8, 2002
    Posts: 3,338

    abe lugo
    ALLIANCE MEMBER

    First of all was there some ype of air flow sensor inside the airbox? or in you V800 manual( you should have one) check to see if there is a sensor that adjusts the air/fuel mixture. Maybe you don't have it connected- also since this a not a trad Vtwin maybe you should check out the VOG (vulcan owners group) formun They are really helpful with tech issues like these
     
  9. I am sure there was no sensor in the airbox...I tried choke -it helps......I thought Vulcan OG was defunct?.
    This is prob a waste of space- Thanks guys- lets just end it here or soon......maybe I can look some other places..-Kenny
     

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