Brand new Motor Bogs

Discussion in 'Motorized Bicycle General Discussion' started by motorizedmatt, Feb 20, 2011.

  1. motorizedmatt

    motorizedmatt New Member

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    Hi all,

    I just pickedup a brandnew motor kit and put it on my cruiser and it runs fine at idle and I can even rev and it sounds like it shoud, but when the clutch is engage (meaning using the motor to pull me) anymore than 5% throttle and it just bogs. Because of this it will only run up to like 15mph.

    Im pretty damn sure I have this thing hooked up 100% right (This is my second one I have built) where should I start looking for the issue, or should I call up the dealer I bought it from and give them a piece of my mind?
    :-||
     
  2. spears7100

    spears7100 New Member

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    I'm having the exact same issue...which carb does your kit have? I've got the "CNS V2 Racing Carburetor". I'm thinking this carb is a real piece of junk, but I've not got any experience with this carb before. I've adjusted mine every which way..which seems to be the only way i can keep it running.
     
  3. Hammond Egger

    Hammond Egger New Member

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    If it will rap up without any load it's probably either way to rich or way too lean. Adding a little bit of choke and trying to get it through the flat spot to WOT will tell you which.
     
  4. mopedjay

    mopedjay New Member

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    if its bogging its running too lean check the air filter

    its a chinese carb so pull the jet out and see if theres anything blocking it i have seen some jets on china carbs that were not even made right

    if the racing carb is what i think it is its a cheap copy of a dellorto sha 14.12 it should take std dellorto jets

    you can buy new jets from treatland.tv its a moped parts store
     
  5. motorizedmatt

    motorizedmatt New Member

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    I fixed it. On this new style carb there is alittle black breather hose on the right. I un plugged it from the top and now it runs good
     
  6. wayne z

    wayne z New Member

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    Please 'splain to us how an air filter can make an engine run lean.
    Thanks, Wayne
     
  7. mopedjay

    mopedjay New Member

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    if its tuned to run with an airfilter and you run it without it the engine will run lean
     
  8. Heezy

    Heezy New Member

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    WOW after all that time wasted turning those friggin screws. thank you soo much, you fixed my bike,
     
  9. rohmell

    rohmell Active Member

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    Many, many posts on this forum about problems with the new CNS carb.
    Stock up on the NTs while you still can.
     
  10. krichard987

    krichard987 New Member

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    So I don't understand how did you fix the problem???
     
  11. GearNut

    GearNut Active Member

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    He hosed the carb. Um... err.... re-connected the breather hose correctly. When brand new the hoses are not routed correctly. They seem to be just stuck onto the various hose barbs as a way to hold them for packing and shipping.
     

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