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10w40

  1. A

    10W40 oil in my 821 ok?

    Dealer put 10W40 oil in my 821 I just had my oil changed from the dealer after getting the anti judder clutch update done in my 13 hyperstrada and noticed on the invoice they put 10w40 instead of 15w50 that the bike requires. So I called them the next day to argue and they said that 10w40 is...