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Brand new Sector 550 blubbering, bogging

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I just bought a 2022 Sector 550, it has 22 miles on it.  Driving down a flat gravel road for 2 miles, and it starts blubbering and missing.  Then it catches and runs fine for a bit, then starts blubbering again.  Then I went up the neighbors steep driveway and it blubbered and then ran Ok, then blubbered again, then ran ok, then blubbered again, I wasn't sure I'd make it.

Got home, let it cool down and then recreated the trip.  Two miles of level gravel road, then it started blubbering again.  Didn't try the neighbors driveway.  Didn't want to have to walk home.

It seems as if when it reaches a certain temp it starts acting up.  It isn't getting hot, gauge reads good.  

Any ideas?  Years ago a Polaris snowmobile was acting up like this and the temperature sensor wire was loose.  That is not the case here.

It seems like an "Ignition Interuptis" scenario, but not sure where to look.

Fuel?  New machine with new gas?  That shouldn't be it.  

Probably going to take it back to the dealer tomorrow, but am hoping to get any ideas from you Hisun guys.

Any ideas???

Thanks for the help.






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Water in the fuel.

I refilled the tank with fresh gas, added Sta-bil and heet.  Ran it up and down the road and cleared it up. 

I think it was sitting at the dealer for a year, hence the moisture in the gas.

Running like it's supposed to.


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