New Member with 80cc Chinese 2 stroke, Albuquerque New Mexico USA

Discussion in 'Introduce Yourself' started by quarkdude, Apr 22, 2008.

  1. quarkdude

    quarkdude New Member

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    Hello all,

    Just found this website today and wanted to join with you guys. I have a 1995 Diamond Back Mountain bike with an 80cc Chinese 2 stoke kit. I have done some mods to the set up: Free flow air cleaner cover, Re-jetted the carb for 5200 ft above sea level, Boost Bottle installed and cut down the tube in the exhaust. Anxious to read about any engine mods here and see what others have done.

    .......quarkdude, Albuquerque, NM
     

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  2. deacon

    deacon minor bike philosopher

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    welcome there are plenty around who do that kind of thing not me though still welcome
     
  3. Dave31

    Dave31 Moderator
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    Welcome, nice looking ride (^)
     
  4. paul

    paul Active Member

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    nice looking ride! lots of sharp people here and hope you enjoy the forum. glad to have you with us:ride2:
     
  5. Ilikeabikea

    Ilikeabikea Moderator
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    That is a nice bike. You are up around some major altitude there at ABQ. Welcome to the forum you are amongst some real motorized bicycle enthustiasts here......................
     
  6. quarkdude

    quarkdude New Member

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    Thanks everyone for the warm welcome. I have had my motorized bike for about 2 and a half years now and have put nearly 900 miles on it. I guess the gearhead in me always wants more power so that fueled the mods that I did to the bike already.
    Here at 5200 feet above sealevel you have to get creative with your jetting especially on a 2 stroke so I did some internet research and read about a guy who soldered his jet closed and re-drilled it to make it the size he needed. After reading that I was so excited to try it because my motor was jetted for somewhere around sealevel (China ) and it just didn't run very good up here. I tried to find some aftermarket jets with no luck. This prompted me to try the re-drill approach and what do you know it works. Since I re-jetted my bike I have re-jetted 2 other bikes at this altitude and it works very good on them all.
    I have some other mods I mentioned, but I will search the site and try to find a thread with those mods to match it up. Glad to be here and look forward to see and read what the members here have done to their bikes.
    ........thanks, quarkdude:D
     
  7. bgoates

    bgoates New Member

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    How did you do your free flow air filter ?
     
  8. hotrodseanxx

    hotrodseanxx New Member

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    welcome and enjoy!! :ride2:
     
  9. quarkdude

    quarkdude New Member

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    Hello bgoates,

    I bought the air cleaner cover from thatdax website awhile back for 5 dollars - it was a really good deal I couldn't pass up. I wish I could take credit for making it but at such a cheap price it was better just to purchase one. It really helps up here to get a little quicker response from the engine revving up.
    ..........Thanks, quarkdude
     
  10. Skyliner70cc

    Skyliner70cc New Member

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    Please share how you rejetted it. Did you solder the jet shut and redrill a smaller hole? Thanks!
     
  11. nogoodnic

    nogoodnic New Member

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    Welcome to the group quarkdude. Enjoy the ride...Kelly:ride2:
     
  12. themcgyvr

    themcgyvr New Member

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    Hello Quarkdude,
    Perhaps just like yourself I just cant let good enough alone. I've had a blast with my latest build.
    Here is a pic. The modifications should be obvious. By the way I'm in ABQ also. Want to Race? :)
     

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  13. pooz321

    pooz321 New Member

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    that thing better be close to silent...but still niiiiicccccce bikeusflg
     
  14. quarkdude

    quarkdude New Member

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    Hello themchyvr,
    Wow! That's all I can say about your bike. That thing is just plain cool. That expansion chamber looks like a beast. ha ha.. That's cool you live in Albuquerque. I am in the North Valley, how bout you. I unfortunately can't race you - I sold my bike in 2008 to fund a Yamaha RD350 purchase and have been working on that since. Nothing like 2 cylinders, 2 stroke, 2 expansion chambers, and a front wheel in the sky for the first 3 gears. Ahhh, the gearhead in me. Yea, I'll race ya. ha ha ha... Be cool to talk to you about your bike. Feel free to IM me
    Thanks, quarkdude
     

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