Yes you can, Polaris only recomends that you use Polaris brand oils, but any oil of the same weigth should work just fine.
The Polaris dealer would be the obvious choice.
You should use Polaris ps-4 synthetic oil for year round use. l
Two quarts
intial 10 hrs and every 50 hours of use
Yes you can. Polaris does not manufacture oil. Polaris oil may very well be made by Valvoline or some other oil company. You can use any brand oil you want as long as it meets Polaris specifications.
It is a 6mm hex-head bolt right on the bottom of the oil pan. The 700 does not use a remote reservoir like the 500's do.
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.
repleace oil for 0w40
Only use Polaris oil or amsoil in any polaris.
Yes, as long as you use the correct SAE weight oil. Polaris oil is regular oil.
If you do not want to use Polaris trans oil ,they recommend 30 w engine oil
Polaris has its brand of hub oil , which is not cheap . Ford ATF :automatic transmission fluid is recommended if you do not want to pay for Polaris oil .