Wow, first time I've checked this forum in d@mn near 7 years and it looks like it's become one big troll nest.
To the answer the OP's question, I own a '99 1200S (and a '95 Evo as well) & run Mobil1 15W-50 exclusively.
I never do anything in moderation
-13 5qt. jugs Mobil1 SS 10W-30 (looted the local Wal-Mart last fall when they had 'em for $9.83 ea.)
-7 5qt. jugs Mobil1 SS 15W-50 (same as above)
-14 qts. Chevron Supreme 10W-40
-3 qts. Mobil1 75W-90 Gear Oil
-39 Penske and 22 Castrol MaxPro (Wix) filters -...
This bad boy will handle your every filter removal need :
It's actually a ChannelLock PVC pipe wrench, but I've never found anything that does a better job on oil filters.
For all you Chevron Supreme fans that live in areas with Kragen/Checker/Shucks Auto Parts Stores, they're currently running a coupon special on the stuff: $.69/qt. with mail-in rebate.
Otherwise, Costco always has it in 5W-30, 10W-30, and 10W-40 for about $11.00 a case.
Yes, I have 3 vehicles that I run 20W-50 in (either currently or in the recent past). In my 2 Harley's I used to use Mobil1 V-Twin until it was pointed out to me a few years ago that M1 15W-50 automotive oil was essentially the same product at half the $$, and I switched to it.
I also have an...