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Hello everyone. I've looked, what seems like forever and everywhere. For information on my scooter, Uber scooter Evo 70X with a Huasheng (Chinese) 63cc engine. All stock except air filter. I'm looking for a no rev limit coil (upgrade the stock one). Any input on what to use, would point me to a place to start.
 

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I don't know what your working with none of our pocket bike engines have rev limitations so any of the pocket bike coils are going to work for you. Unless your machine has a CDI and it probably doesn't then you probably do not have a rev limiter either... RPMs are controlled by port timing and duration in the cylinder that's why we basically have to port our engines or change our cylinder to get more power.

The evo might have a restrictor in the base gasket some of them have the restrictor cast into the block if that is the case you will have to cut the restrictor plate out with a dremel.

Of course these mods require you to disassemble the entire engine
 
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