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125 lifan top speed

This is a discussion on 125 lifan top speed within the Chinese/Import Minis - General Discussion forums, part of the General Talk category; I have a 125 lifan 4 up pitbike that is kinda slow. It has a 19 mm carb, 17 tooth front sprocket, 42 tooth rear ...

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    125 lifan top speed

    I have a 125 lifan 4 up pitbike that is kinda slow. It has a 19 mm carb, 17 tooth front sprocket, 42 tooth rear sprocket and a 10 in rear rim. My topspeed is about 45 mph I am looking to get to 55 mph . What are ur guys's 125 pitbikes topping out at and what is ur set up? thanks


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    Hey man I have an sdg 107 that I have swapped a lifain 125 motor into its topping out about 50 mph my gearing is the same I think but the only upgrade I have is a proformance Cdi but others that that my bike is stalk

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    Put a 26mm carb on it! Gained alot more doing that.

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    by 26 mm carb do you mean at the intake opening or at the slide? thanks

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    Quote Originally Posted by sdg107to125 View Post
    Hey man I have an sdg 107 that I have swapped a lifain 125 motor into its topping out about 50 mph my gearing is the same I think but the only upgrade I have is a proformance Cdi but others that that my bike is stalk
    what racing cdi did u use? would this one be good?
    Performance Racing CDI 5 Pin 50 70 90 110 125cc Pit Bike Honda XR 50 CRF 50 | eBay

    thanks

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    Quote Originally Posted by supernowa260 View Post
    Put a 26mm carb on it! Gained alot more doing that.
    by 26 mm carb do you mean at the intake opening or at the slide? thanks

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    Quote Originally Posted by tundrabeagle View Post

    by 26 mm carb do you mean at the intake opening or at the slide? thanks
    The intake

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    I gps ed my bike today and got a top speed of 47 mph with 16 37 gearing, and a 24mm carb that needs to be jetted

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