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E-Ton 90cc Atv with 2 stroke running problems


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9 replies to this topic

#1 bbuckler OFFLINE  

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Posted March 15, 2016 - 12:29 PM

Maybe one of you guys would know the problem. I replaced a carb on a eton 90cc 2 stroke Atv but it will only run with throttle and has no power. I looked for air leaks and didn't find anything. What else could it be ?


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#2 Titus OFFLINE  

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Posted March 15, 2016 - 12:44 PM

Run on throttle? What does that mean?



#3 bbuckler OFFLINE  

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Posted March 15, 2016 - 12:56 PM

When I push the throttle in it will run but I let off it stalls



#4 bbuckler OFFLINE  

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Posted March 15, 2016 - 01:00 PM

The end of the spark wire is loose it has spark out of the cylinder but when I pull the plug it is wet.



#5 Titus OFFLINE  

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Posted March 15, 2016 - 01:31 PM

How old is the spark plug?



#6 Titus OFFLINE  

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Posted March 15, 2016 - 01:51 PM

I'd look for failed gaskets 1st. What's the compression of the engine? How's the fuel supply to the carb? Pull the line and check to be sure. 

 

Check the air/fuel mix screw to be sure that's set properly. Does it have an electronic choke? I've heard of those sticking shut at times.



#7 MiCarl OFFLINE  

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Posted March 15, 2016 - 03:28 PM

You say it's a new carburetor.  Did you set the idle stop screw?  If it's not in far enough it won't idle.

 

Once you get it idling it probably wouldn't hurt to tweak the idle mixture too.



#8 bbuckler OFFLINE  

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Posted March 15, 2016 - 04:27 PM

Fixed the coil wire and adjusted the carb some more rode it around a couple hours and sent it home.


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#9 toomanytoys84 OFFLINE  

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Posted March 15, 2016 - 07:52 PM

Which fixed it? Since it ran with throttle I'd say you had an idle circuit clogged up...
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#10 bbuckler OFFLINE  

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Posted March 15, 2016 - 10:09 PM

Which fixed it? Since it ran with throttle I'd say you had an idle circuit clogged up...

Adjusting it. It ran perfect with air mixture screw only 1/4 turn out. Of course the coil wire be loose didn't help.


Edited by bbuckler, March 15, 2016 - 10:13 PM.





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