I am of the understanding (maybe just because I don't know any better) that once you choose a brand of snowmobile oil, you should not change because of possible adverse chemical reactions. Some brands of oils even indicate this on the warning label. Is this just a trick to keep you coming back to buy their oil? The reason I ask is because the brand I use (klotz) is becoming increasing harder to find in my area, and I have noticed that it is more expensive than Polaris Oil, Yamalube, Artic Cat oil and even greater a difference between my brand larger National Brand 2 Cycle oils (oils offered by pennzoil, quaker state, castrol etc.)
I would prefer switching to Polaris oil because it is readily available and I would be able to pool costs with my uncles. We have 5 sleds between us and mine is the only one that uses a different kind of oil. Is it possible to change? How should I go about it?