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carburetor adjustment - EPA

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Chinese Gas 2-Stroke Engines 23ccc - 52cc
Initial settings
Main Jet - no adjustment possible on more current models due to EPA regulations (see green epoxy in image above). check the video below for more information - If you have an adjustable main jet please see: Adjustable chinese Carburetor
idle speed - engine should idle just below clutch engagement (it will "ding" occasionally)
mixture screw - missing or without slot


If you would like a carburetor that can be tuned properly we suggest a performance carburetor - these are available on the parts page for your Bike.


This is one of the best guides we have ever found on youtube for this engine, watch and learn.



Fine Print: We do not supply support for this page. no warranty or guarantee is given, offered or implied for the information on this page. use at your own risk.

We do not supply support for these pages. no warranty or guarantee is given, offered or implied for the information on this or any technical page. use at your own risk.