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Thread: Can picking an oil be so confusing

  1. #1
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    Can picking an oil be so confusing

    I've just been on the Guzzi forum reading about oil. Is it mean't to be that complex.
    37 years ago I used 10/40 mineral but now everyone seems to have a view and it even gets technical.
    Simply do you use 10/40 or 20/50 mineral, semi or fully synthetic.
    On a 27 year old engine I thought even cooking oil would do.
    Cheers
    G

  2. #2
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    My 1982 850cc lemans ran on 20/50 mineral oil

    My 2009 1200cc sport runs on fully synthetic 10/60

    Easy really

    Retired from Riding but making a come back on a motoguzzi


    2008 motoguzzi sport
    1986 4/4 Morgan
    1968 mobylette

  3. #3
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    Guzzi oil

    The earlier guzzi were designed to run on the oil of the time. In particular oil with I think the additive is called moly something or other, it was needed to keep things like cam follower protected - especially at start up. modern oils do not have this additive as it buggers catalysts. Castrol GTX used to be the stuff to use but the formula for that has changed over the years. Opie oils web site has some info, I use Halfords classic oil in my 1998 1100i Cali.

  4. #4
    he who knows nothing Click here to find out how to Subscribe
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    i would never use a 10/40 in a guzzi
    15/50 in small blocks
    20/50 or my preference is TRM 20/60 in big blocks
    10/60 in 8v engines .

  5. #5
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    Silkoene Classic 20/50 at Demon Tweeks so that's me sorted.
    Thanks

  6. #6
    Deadhead Member Click here to find out how to Subscribe
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    Good to see you're sorted

    FWIW this is what I use (picture nicked off Gutsibits web shop)

    Andres
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    Doris doesn't give a fuck...be more like Doris!



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