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  • Re: oil for the 2 stroke

    by » 9 years ago


    Hi Nick,

    I messed up on my post. It was written with the 4 stroke 912 in my head and not a 2 stroke. I don't know what I was thinking. What's wrong with the Aero Shell Sport plus 2 you have there. It is made there.
    The answer is; many people around the world use different oils for their 2 stroke because not all oils are available in each location. I would either use what the dealer supplies or another good brand of two stroke oil that blends at a 50:1 ratio. If you mix it yourself for an older engine then 50:1 is a good ratio. If it is oil injected then the ratio is already set up. I have personally gone over to synthetics over the years because they seem to have a better over all quality to them and handle the stresses of high temps, low temps, usually better combustion characteristics and less issues in the cylinders than many of the straight dino oils. The synthetics seem to help engines get to TBO better and be in better overall condition when they get to TBO.
    The bottom line is it is your decision and I would use what you have in your location that has been working well for everyone else. It is usually better to let someone else be the Guinea pig and see after hundreds or thousands of hours how well something performs before you use it in your engine.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell


  • Re: oil for the 2 stroke

    by » 9 years ago


    Thanks for that Roger...re fully synthetic...in our damp climate over here there is talk of it not being as good as semi synthetic at rust prevention in the engine internals if the engine is not used on a more or less daily basis...what are you thoughts in that regard.

    Nick.

  • Re: oil for the 2 stroke

    by » 9 years ago


    Hi Nick,

    I think the synthetics are usually superior to most regular dino oils and for the corrosion and rust side too. The nice thing about synthetics is they can be a little more tailored made than the old dino oils of 30 years ago.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell


    Thank you said by: JP

  • Re: oil for the 2 stroke

    by » 3 years ago


    What is the best 2 stroke oil to use for my Rotax 503. I was told that Amsoil would be the one to use.

  • Re: oil for the 2 stroke

    by » 3 years ago


    According to ROTAX, you can take your pick of these:



    ( see https://legacy.rotaxowner.com/si_tb_info/serviceinfo/si-2st-008.pdf )
    2st-oils.png (You do not have access to download this file.)

    Thank you said by: Andrew Dunning, Daryl Kings

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