Big Bore Kit ? cr 125 to 144

Discussion in '2-Stroke Discussion' started by furlong, Jun 24, 2007.



  1. furlong

    furlong Rookie DRN Member

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    Since i have my bike at a mechanic i was wondering about boring out my cr 125 to a 144 ?

    I have a Few questions?:
    - will i notice a big difference?
    - how much will this cost ?
    - or am i just better of selling it and getting a 250 ?


  2. yamarider88

    yamarider88 Rookie DRN Member

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    get a 250 if you really want all the power. when i was buying my 250 the guy also had a 125 and he let us (my father and i) drive them both to see which one we liked better and we both liked the 250 a lot better. it has a ton bigger power band. try one and compare to what you have now.
  3. sixds

    sixds Rookie DRN Member

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    i think its around 600$ from Eric Gorr. i've heard its one of the best upgrades for 125's with more bottom end and more peak.
  4. Mavrick70004

    Mavrick70004 Rookie DRN Member

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    i say get a 250 just becuase after u get used to the 144 power you are going to get the 250 anyway so instead you can use that time to get better on the 250.
  5. whenfoxforks-ruled

    whenfoxforks-ruled Old MX Racer

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    You can not use all the 125's potential.More motor will seem to make you faster,it is not.Get the 134 mod.If you have the money,ask Eric for a kit,then you will have 2 bikes.An efficient rider can push either bike at the same speed!Learn on the 125 before getting a 250,if you can finish top 5 out of 40,then you are ready!
  6. 2 strokes for life

    2 strokes for life Rookie DRN Member

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    whenfoxforks-ruled, well put. If you ride the 125 for the rest of this season then you will learn to be an aggresive rider. The next spring when you start on a 250 you will ride it to it power more so.
  7. furlong

    furlong Rookie DRN Member

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    I know I can handle a 250 i have had 2 125 2ts and rode them each for at least a year. And i ride my dads cr 500 a nice bit too .I think i will just the 250.



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