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2002 Suzuki Vinson 500 Stopped Running

Amboyjim

By Amboyjim
in Suzuki ATV Forum

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Amboyjim Newbie

Amboyjim

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Having serious problems with quad it completely stopped running on me took carb off and tore apart cleaned everything put back on and it started idled but when driving it had no power at all so took carb back off and noticed their was a puddle of gas and oil in the bottom of the air filter box and also their was gas in the vacuum line HELP

Frank Angerano Grand Master

Frank Angerano

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Hey @Amboyjim welcome to Quadcrazy! 
Check the diaphragm on the fuel pump. If the diaphragm is bad and gets a hole in it the fuel gets sucked into the carburetor via the vacuum line and floods the engine and winds up getting kicked back into the air box.   
 

Also when you set the air fuel screw after the carburetor rebuild did you set it properly?  

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Amboyjim Newbie

Amboyjim

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Thanks for the help the diaphragm is good and still in the process of rebuilding it again waiting for new parts to come in and I havent done a compression check yet maybe I should do that after I get the carb back on 

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JacobSlabach Mentor

JacobSlabach

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yea theres definitely a carb issue going on.  does your quad start sputtering once it gets hot and trying to cut out on you?  just wondering because i had a yamaha warrior that was collecting gas and oil in the airbox and it would run awesome until it warmed up and then it would quit

and that bike didnt have a fuel pump- just gravity fed

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JacobSlabach Mentor

JacobSlabach

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On 4/3/2020 at 6:52 AM, Frank Angerano said:

It could be a bad rectifier also once it gets warmed up.  Very possible.   

yea i didnt think about that..  i was pretty sure with my bike it was due to me rebuilding it with a used piston and rings off another atv that i rebuilt lol.  but it could be the case with your atv

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  • Ajmboy changed the title to 2002 Suzuki Vinson 500 Stopped Running

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