my first build is broke down

Discussion in 'Motorized Bicycle General Discussion' started by jimmybking, Dec 8, 2008.

  1. jimmybking

    jimmybking New Member

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    about one month ago I tried to start my mb up, but it wouldnt start, I didnt really mess with it cause I was in the middle of my last build. a week or so goes by and I tried it again (this day was much warmer) it started right up. the next time I tried it was cold and it didnt start. So today is cold and I tried to start it and to wouldnt, then i brought it inside for about .5 hour and when i took it back out to start it wouldnt but it tried and for about 20 feet it almost did start, actually it did but it smelled real funny. then it died and i dont know what to do.
     
  2. Bikeguy Joe

    Bikeguy Joe Godfather of Motorized Bicycles

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    You may want to try some fresh fuel mix.

    Also, a little more tickler and a little more choke are needed when it's colder.
     
  3. jimmybking

    jimmybking New Member

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    i asked in the chat box to see how long gas lasts and someone told me about three years, I tried the tickler a bunch and more choke.
     
  4. misteright1_99

    misteright1_99 New Member

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    I dont believe gas would EVER last 3 years. I use stabil in all my fuels and that claims to keep it "fresh" for 1 year......
     
  5. jimmybking

    jimmybking New Member

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    I think ill try new gas tomarrow
     
  6. tyrslider

    tyrslider New Member

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    Try 3 months (90 days) w/o stabilizer. Maybe 30 or so days premixed!
     
  7. jasonh

    jasonh New Member

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    Yeah, get some new gas.

    I have a gallon and a half of premix that's been sitting for the last month and a half. Don't think that's gonna fly, so I gotta figure out what to do with it. Don't want to put it in my car as it's a high performance racing machine.

    Ok, maybe not racing machine, but it is high performance (turbo charged) and requires premium fuel.

    Is there any way to bring premix back to life? I have to add extra oil anyway...how about a stabilizer? Probably not I'd guess.
     
  8. bumleg

    bumleg New Member

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    a month and a half is ok ...imho.
    but if you are worried about octane put a little boost in ..bf.
     
  9. 2door

    2door Moderator
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    Do you have a bar-b-cue grill?
     
  10. jasonh

    jasonh New Member

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    No, but what are you suggesting? Sounds like it could be fun :)
     
  11. jimmybking

    jimmybking New Member

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    what does it mean if the motor is backfireing? I put new gas in it and it is trying to go but its backfireing a lot.
     
  12. Dave31

    Dave31 Moderator
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    You might have sheered the key for the mag and now your timing is off.
     
  13. jimmybking

    jimmybking New Member

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    what does that mean?
     
  14. Dave31

    Dave31 Moderator
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    Hold on Jimmy I'm trying to find some pics for ya
     
  15. Dave31

    Dave31 Moderator
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    Well I could not find any pics.....

    Your mag rotor has a keyway and a woodruf key that keep it in the right position on the shaft so you have the correct timing. If the woodruf key was sheered off the rotor would spin a little and there for cause the timing to be off and could be the cause of your back fire.

    With the starting problems you been having it's possible that your timing was a little off which could be the answer why you had so much trouble. But now the rotor has spun enough to where the timing is too far off and now it wont run and it back fires.

    How about it guy's? Am I on the right track?

    The way to find out for sure is to remove your rotor and see if the woodrufkey is doing its job.
     
  16. jimmybking

    jimmybking New Member

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    are you talking about that round bolt with little notches out of it and a screw that goes inbetween one of thoes notches?
     
  17. Dave31

    Dave31 Moderator
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    Dont know what you are describing there?

    Exsample: This is what the keyway would look like on your shaft after removing the mag rotor
    [​IMG]

    This is the woodruff key that goes in the keyway on the shaft and rotor
    [​IMG]
     
  18. Dave31

    Dave31 Moderator
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    If the woodruff key is not holding the mag rotor in it's place, the rotor will spin on the shaft and throw your timing off.

    [​IMG]
     
    #18 Dave31, Dec 9, 2008
    Last edited: Dec 9, 2008
  19. jimmybking

    jimmybking New Member

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    this is what i was talking about, is what your talking about behind this?
     

    Attached Files:

  20. jimmybking

    jimmybking New Member

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    ok ill go look at that thing
     

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