oil classification

  1. ebeeby

    I assume SL supercedes SJ on motorcycle oil?

    Just want to make sure I have enough zinc in the old Airhead. (Sorry for another oil thread)
  2. M

    What Oil?

    I'm sure it's been asked before, but what oil should I be using in my new 2019 K1600GT that won't bankrupt me like the BMW oil? Penzoil 5W40 EU?
  3. jammess

    BMW Advantec Oil

    Hate to start yet another oil thread but oh well here goes. Today I drained the Shell Rotella T4 15w40 from my precious R1100RSL and filled it with the BMW Advantec Pro 15w50 which is the recommended oil for my RS at $14.50/litre. I must admit I feel better having done this since my bike is...
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