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What kind of oil do you use?

oil

I love oil threads...why did all R1200RTs have 20W50 as recommended weight in owner's manual up until 2010, then they went to recommending 10W40? Did the new head really require different weight oil? Would 10W40 not work in 2009 and older?

I try to use synthetic 0W100, with a least 50% zinc and a dash of Mystery Marvel Oil with just a pinch of tobasco sauce. This makes for an "All-Seasoned" motor oil.
 
But nobody seems to have a problem regardless of the kind of oil they use. The fellow I sold my K75RT to used 10W30 just like he used in his car for a couple of years until he was told different. Five years later, he still has not problem.
 
Exactly

But nobody seems to have a problem regardless of the kind of oil they use. The fellow I sold my K75RT to used 10W30 just like he used in his car for a couple of years until he was told different. Five years later, he still has not problem.

Now that there is the most reasonable and acceptable line one can write on an oil thread. Use a quality oil at something close to the recommended grade, with reasonable change periods and you're going to have a long running machine.
 
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