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Northern NH really is spectacular this time of year. Jericho Mountain ATV Festival August 2-3.

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I was having issues with my 01' sportsman 400 overheating. Bought a new filler neck and put it on and it seems to have solved the overheating issues. The problem I am having now is that when I have the throttle wide open, the quad bogs down and loses speed. Thoughts on a fix? I was thinking clean the carb but not sure if that is the solution or not?

I was having issues with my 01' sportsman 400 overheating. Bought a new filler neck and put it on and it seems to have solved the overheating issues. The problem I am having now is that when I have the throttle wide open, the quad bogs down and loses speed. Thoughts on a fix? I was thinking clean the carb but not sure if that is the solution or not?

I was having issues with my 01' sportsman 400 overheating. Bought a new filler neck and put it on and it seems to have solved the overheating issues. The problem I am having now is that when I have the throttle wide open, the quad bogs down and loses speed. Thoughts on a fix? I was thinking clean the carb but not sure if that is the solution or not?

I posted this on the 570 forum and no answer, I thought I might get more info here.
On my wife's 570 with ESP both the engine light and ESP light came on during riding. She stopped and turned it off and it restarted fine and both lights came on again after a little while. I also notice the gear indicator was gone just a horizontal line there. Passing the yellow button also would not page through the display or do anything.
We turned around to be safe. It did it one more time on way back. Again turning off and restarting made lights go off. On the last bit back to the trailer she noticed the engine light flickered a couple of times but did not stay on just the ESP light did.
I monitored battery voltage and took it for a short ride. The voltage seemed fine around 13-14 volts.
I have not had a chance to look at it yet. Any ideas where to start?

A little info the Voltage regulator went bad last year, it was going over voltage.
Battery is new AMG, I checked all connections everything looks good.
I did get the code 520226 when just the EPS light went on. Then later it did both lights and could not read codes.

Also I have 2 so if you have ideas what to swap to test I am open to ideas.

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I have a '06 phoenix. I went riding for a while yesterday, it was riding good and i had no problem with it. Today, I started it up and a loud clicking noise came from the engine. Can someone help me figure out why it is clicking?