Currently riding a 2001 r1150gs. Always admired MG bikes from a far. If I were to realistically get a guzzi I think a stelvio would suit my needs well. My budget would be probably 7500k max OTD. So probably a 4v flat tappet bike. What's the chances I could find an honest seller that has put ZDDP oil in the bike and NOT Mobil 1 it's whole life? I don't what "the oil" is in these things but I know what flat tappet vs rollers require. I'd love to get an early stelvio with no cam problems. What should I look for? Thank you! Gus