does it idle up and down at will,,,, and gets worse when hot? (if yes - the valves are too tight!!) maybe a little hard to start...??
The carb may need a professional cleaning!
MFG Supplyhttps://www.mfgsupply.com > shi0206
OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here. ... 2014 Polaris Ranger Diesel.
US$162.33
Here you go - this covers the 50/90 2001 & 2002 - Good Luck. I know people roll their eyes when they hear it - but I've seen it more than once...check every connection. Grounds. Everything. One loose ground will mess up a lot of time. All The Best, Justin McCartney