I picked up that axle yesterday... The sprocket hub didn't even have a mark on it from the seal, its literally like new. I ordered an aftermarket gasket that goes between the silencer and header for her bike, got the wrong one, had them send another one, got another wrong one... So I'll order an...
Sounds like the dealer is lazy and just giving you extra oil because they don't know... Score for you! Keep the extra in the shelf for after your service plan runs out... You'll have enough oil for an extra year.
Check the filter again after the next change. If there's more then you might have...
We don't have any winter trails either, everything is sled only...
It was worth every minute of driving lol... Probably going to do it again next winter if you want in. This year was a last minute deal. We decided a week before we left that we were going lol
It took us 20hrs to get there...