Engine Cuts Out on Artic Cat 300 2x4 (1999)
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#2
have you checked you vent hose? could be pinched or plugged just enough to cause a fuel feed problem at high revs... or perhaps the idle is set too hight and its flooding itself at high rpms ( mine came like that from the dealer, was set for cold weather starts and as soon as the motor warmed up it would stall itself at high rpms ) just a thought
#3
My 500 was doing that exact thing also. Seems I had a good bit of mud in the muffler. Try unbolting the muffler and removing it then see if it still cuts out when running just a straight pipe. If this fixes it you might have to replace the muffler with a new one or refer to this thread on what I did to my muffler
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I Have a Cat 300 4x4 and it started doing the same thing after jumping of into some water. As best I could tell, the fuel metering rod had slipped out and was sitting in the carb at an angle. It ran fine till I would hit the throttle hard, then it choked out. If this is the case, then you have to take the carb out of the machine and take the bronze cover off the top. Inside is a spring that sits on top of a small plastic button that sits on top of the metering rod. If the rod is sitting at an angle, pull the spring out and flip the carb up-side down to get to the metering rod and the plastic button. Put the rod in the center hole and put the plastic button on top of the rod. Put the spring on top of the button, and put the bronze cover back on the top of the carb. If this is your problem, then this should fix it.
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#9
my 300 did the same thing what it is is the jet in the carburator is to big it has a 137 in it we took mine to the dealer and they put a 132.5 in it and it never did it agin or if you buy a new air filter it wont do it until it gets dirty to fix it with out going in your carburator bbuy a k&n for a 99 suzukie king and it will fun good i had to do all that to my 300 so try that and it will run right
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KimSJoh
Polaris Ask an Expert! In fond memory of Old Polaris Tech.
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07-18-2015 07:20 PM
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