My wife has a 150cc TnGo verona scooter. It sat for a bit, i tried to start it, it idled rough and died, kept trying and it would idle a little longer but anytime you touch the gas it dies. I syphoned out the gas tank and got it idling for a bit with the same results as before, cant get it to run right. The scooter only has 750 miles on it, have to say the thing has been nothing but a pain since we bought it...been through 4 batteries since we got it.
You have enough 2 stroke in the fuel? 50:1 ratio oil:fuel or more... it is a cheap engine needs extra lubrication..
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Is the spark plug clean?
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Is the HT lead connector to the sparkplug fine or has it come loose?
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Check the air filter - it could be wet or dirty or clogged - replace it if it has gotten wet or is dirty, on such a new bike it should look white as the driven snow...
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spray some carb cleaner down the intake while cranking the engine, and rev it up while spraying the cleaner in there, maybe you have some gunk in the carb messing up the jetting.
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Adjust the Idle screw to increase the idle (but not so high that the bike is tugging to ride off)
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Check through that lot and tell me how you get on.
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