2007 Artic Cat Dvx 400 spark plugs? - Page 2 - ATVConnection.com ATV Enthusiast Community



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  #11  
Old 03-07-2017, 11:34 PM
Weekend Warrior
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Also I just got to reading on line. If the petcock has malfunctioned and cannot be fixed a new one is around $120
would a malfunctioning petcock allow too much fuel through and cause my quad to run too rich or is it just a valve that is Either flowing or isn't. I guess if that doesn't make sense does the petcock regulate the flow of fuel to the carb via the vacuum line?
i am thinking about trying to find an old style valve ( ON, OFF, RES compared to ON, PRI, and RES) for $7-$10 online that lines up with my original holes and just capping off the opposing end of the vacuum line at the carb would this work ?
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  #12  
Old 03-08-2017, 07:27 AM
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Fuel valve regulates the flow to the carb,but if the carb needle and seat are working ok,shutting off fuel at the correct level,shouldn't matter what position you have it on.
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Old 03-09-2017, 03:22 PM
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Itook apart the carb and it was unbelievably clean. I went through everything to make sure it was operating fine and it was in great condidition. I started it up and it would idle fine but if I tapped the throttle it would act like it was going into a high idle. Any ideas?
when I put the plastics back on I accidentally broke the neck on my coolant overflow tank and it cracked right down the side of the tank so I had to order one of those. So I won't know what else to do until I get some coolant back in the machine.
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Old 03-09-2017, 04:51 PM
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Slide sticking in the carb,air leak around the intake manifold could cause this.When this happens spray a little wd 40 around the intake manifold and see if the idle changes.
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