49cc 4 stroke bogging

Adam E

New Member
Oct 29, 2019
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My bike idles perfectly fine and will accelerate up to a certain point slowly but once it reaches like 10 mph it starts bogging really bad. It won’t die if I open up the throttle all the way it just won’t accelerate. I have tried replacing my spark plug and switched to a used carb I had lying around and it didn’t help at all. Does anyone know what could be causing my problem?
 

user53399

New Member
Oct 10, 2019
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Bog usually means wrong air/petrol mixture.
You can reduce bogging by tuning the carb. Try open mixture screw (in half turns) (also adjust the idle) until you feel improvement.