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All great advice except the 2015 Polaris Sportsman 850 is fuel injected so you will have a very difficult time locating a carb!
Is that kinda like the VW bug radiator?
HAHAHA yeah....i was letting that slide. Just so people know, I do not have a choke either. I am going to purchase a Yausa battery and I mistakenly typed trickle charger when I do own a battery tender (i own 2 actually). I am also debating on purchasing a power pack to jump it if I need to. My only worry is the power pack could loose energy from it being out in the cold as well. Thinking about buying a small enough one to put underneath my Elite Ti Fish Finder (where the 2 utility boxes are), that way it's in the shack with me and it's with me when I am charging the fish finder.
Ok heck you need a good fully charged battery for the electronic fuel injection to even work properly.
In at owners manual it says to run non-ethanol gas as it gums everything up, it's been cold 0-15 degrees in Perry and my Yamaha Grizzly starts every time and it's a 11 years old .
You must have a different manual...Actual quote from 2015 Polaris 850 Sportsman owners manual:"Do not use fuel with ethanol content greater than 10%, such as E-85 fuel."Says the same thing in my 2016 (135 E-Tec HO) Evinrude manual. Also specifies 87 octane, not premium for that motor.
All of the more recent manuals say what yours says. With Non E fuel being rather scarce in most places it makes sense. Truth be known though, most engine manufacturers would be happy to say stay as far away from ethanol fuels as you can. All of the 2 cycle small engine MFrs sell their own brand of pre mixed Non E and highly recommend you only use their fuel in Stihl and Husky saws and other lawn equipment. My 11,000 KWH home generator had a starting problem while under warranty. The shop repaired it by cleaning the crap out of the carb that was left by the garbage fuel and told me to run only Non E in it if I want it to be ready when needed. 6 years now with only Non E fuel and fires right up even after sitting for 6 months untouched.
I did learn that a cold relay could cause the same problem so thank you for that.