HuaSheng 142f to 144f upgrade questions

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Apr 24, 2018
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#1
I'm looking to upgrade from my HuaSheng 142f to either the 144f or just go to the 79cc predator. I have all the parts for the HuaSheng including lots of aftermarket parts that I couldn't use with the predator.

My questions are; with exception of the piston size, is there any difference in sizing between the 142f and the 144f (will my exhaust from the 142 and other parts on the 144 indeed fit?) and what motor would you choose and why?
 


KCvale

Motorized Bicycle Vendor
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Apr 18, 2010
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#2
My questions are; with exception of the piston size, is there any difference in sizing between the 142f and the 144f (will my exhaust from the 142 and other parts on the 144 indeed fit?) and what motor would you choose and why?
Yes.
I doubt you will be able to find a HS 144 engine though.
 


CrazyDan

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#4
The only way to gain additional overall mph going from the 49cc to the 53cc would be to have a lower gear ratio or ungoverning the engine. Just swapping out the engine you'll notice increased torque but no speed change other than a higher speed running uphill than before.
 


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