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Atv engine sounds like the idle is going up and down

On my atv which is a taotao Chinese 110cc kids atv the engine sounds like it’s idle is going up and down and it sometimes stalls when I give it gas or when i get it to cold start I have to turn on the choke then turn it off immediately as soon as it turns over. I had a different carburetor on there and it wasn’t doing this but that carburetor had a leak somewhere and was not letting engine run because it kept flooding the engine.

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Android 维修工具包

一个新的屏幕或电池就在一个套件之内。

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Android 维修工具包

一个新的屏幕或电池就在一个套件之内。

现在开始购物

1 Answer

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Most likely can be a gasket near throttle or carb that needs replacing or bolts tightened to spec a bad gasket or vacuum hose or tube that is damaged at ends ripped pinched frayed or disconnected which will cause the symptom you described called THROTTLE OR IDLE SURGING try listening for hiss or whistle of air or vacuum leaking around where gas line meets carb.

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