It really depends on the engine. You shouldn't use ethanol mixed gas in any of them, but really the only one that will give you troubles is the 850. The 850 is very picky about fuel, and poor fuel can make it stumble and not run at all. Run only high-octane, non-ethanol fuel in an 850. The older 500 and 800 engines will run fine on pretty much any pump gas.
Behind and below the fuel tank.
You may have a dirty fuel filter.
how do I tighten the belt on a polaris sportsman 450
It is oil injected and changes with throttle position and rpm.
4 oz 2a gallion
Idon't know about a 1995 Polaris 300 Sportsman, but I have a 2008 Polaris 300 Sportsman and the main particular oil I use for mine is Polaris brand oil. If your not satisfied with my answer, call your Polaris Company.
where is the thermostat on a 2005 polaris sportsman 500
On top of the engine. You have to remove the fuel tank to gain access. Not a lot of fun.
No, they do not interchange.
how do i change front brake pads on my 2002 polaris 500 sportsman
where are the grease fittings on2007 polaris 500 sportsman located
On top of the cylinder head directly under the fuel tank.