Yes skidoo clutches like some iso flex grease. Some use a thin shringe to put it in. I just blow them off every few rides and ride on. 8000 kms on machine and dealer did lube and clean clutches last year too.
Ya, these are not quite the same - you will see the difference before and after you clean and grease....rollers are full of needle bearings.
These new engines with all that extra power need some extra TLC..... lol
Or, just a way to collect some more $$$$
could always go to Deerhurst.
If you're only "possibly" going to sled, you can take the trailer and sleds to a drop off point close by - or hit them from the lakes once good to go.
100% they are sequencial - what the starting # is - don't know - but there is no way they are ordered and printed in off in some random lottery style format - they're sequencial for sure.