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.
Quite different than my Yamaha's. I spray clutches and rollers down every 700-900 km. with brake clean and ride on. I had a Yammi shop owner check the clutches at 12,000 km. and he said no need to touch them.