In loving memory of Kenis D. Keathley 6/4/81 - 3/27/22 Loving father, husband, brother, friend and firewood hoarder Rest in peace, Dexterday

What oil/ratio you running?

Discussion in 'Chainsaws and Power Equipment' started by Rick Capper, Dec 25, 2022.

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  1. Rick Capper

    Rick Capper

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    I have an old stihl 025and a stihl ms 290 that I've had forever. Currently thinking about a 620pw echo but didnt pull the trigger just yet.Countless cards cut with these 2 saws.i always ran stihl 50:1 mix with no problems.however there had been a half dozen times over the years I was out of stihl mix so I would mix up a few gallons on gas with mercury quicksilver tcw 3 outboard oil at 40:1.the saws didn't mind and still run great today.just wondering of any body else besides me has done this.oh and merry Christmas to everybody!
     
    Rick Capper, Dec 25, 2022
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  2. clemsonfor

    clemsonfor

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    Saw probably won't care between 50:1 and 40:1. Use good oil and you will be fine, assuming you have it tuned properly.

    I run 32:1 in all my yard stuff to include trimmers, all my saws and hedge trimmers. I run Red Armor oil which is one of the better ones, even if you run on the ragged edge of insanity. I always ran 40:1 before that. 50:1 in my opinion is an EPA thing. One year Stihl recommends 40:1 and then the next it's 50:1. They produced the same saws those years and didn't have any oil reformulations. So why the change?:loco: :crazy:

    Eggshooterist is kind of a resident expert on oil here. :whistle::yes:
     
    clemsonfor, Dec 25, 2022
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  3. The Wood Wolverine

    The Wood Wolverine

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    40:1 in 'em all, ported and not. Even milling @ that ratio with excellent results as I've tore that saw down many times to check the internals for wear and residual oil.
     
    The Wood Wolverine, Dec 25, 2022
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  4. FarmerJ

    FarmerJ

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    Everything is setup for 50:1. Never had issues with any I’ve used it in.
     
    Last edited: Dec 25, 2022
    FarmerJ, Dec 25, 2022
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  5. Chud

    Chud

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    :popcorn:
     
    Chud, Dec 25, 2022
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  6. clay shooter

    clay shooter

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    25 to 1
     
    clay shooter, Dec 25, 2022
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  7. Ohio

    Ohio

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    40:1 Red Armor.
     
    Ohio, Dec 25, 2022
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  8. Eggshooterist

    Eggshooterist

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    Nope! Not getting involved.
     
    Eggshooterist, Dec 25, 2022
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  9. buzz-saw

    buzz-saw

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    X2 on this
    Non ethanol fuel in everything 2 stroke.
    Just my 2 cents on a much discussed topic.
     
    buzz-saw, Dec 25, 2022
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  10. Mrxlh

    Mrxlh

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    X2…
     
    Mrxlh, Dec 25, 2022
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  11. morningwood

    morningwood

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    X2
     
    morningwood, Dec 25, 2022
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  12. JimBear

    JimBear

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    Good answer, good answer. We will be keeping our eye on you. Lol.
     
    JimBear, Dec 25, 2022
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  13. brenndatomu

    brenndatomu

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    For the average firewood hoarder, 40:1 any good grade of OPE oil...but NOT outboard oil...yeah yeah I know, you got away with it, but sooner or later that will likely bite you in the arse.
    You already are...you are subbed now...:D
     
    brenndatomu, Dec 25, 2022
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  14. FarmerJ

    FarmerJ

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    Fraidy cat
     
    FarmerJ, Dec 25, 2022
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  15. brenndatomu

    brenndatomu

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    [​IMG]
     
    brenndatomu, Dec 25, 2022
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  16. buZZsaw BRAD

    buZZsaw BRAD

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    I run stihl 40:1 silver bottle. Years back an OPE dealer told me to run 50:1 but mix with two gallons of gas so a 40:1 ratio. I use 91 or sometimes 93 octane.
    I know a lot of guys run non E fuel, but ive never had an issue using "normal" gas for many years.
     
    Last edited: Dec 25, 2022
    buZZsaw BRAD, Dec 25, 2022
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  17. Eggshooterist

    Eggshooterist

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    I'll stay subbed to watch the circus that might unfold.
     
    Eggshooterist, Dec 25, 2022
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  18. fox9988

    fox9988

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    Cheapest oil in the cheapest gas my whole life. 40/1. Never a problem.
     
    fox9988, Dec 25, 2022
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  19. Rick Capper

    Rick Capper

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    I put a new muffler on the 025 over this past summer.piston and cylinder look like new after 20 plus years and 100s of tanks of fuel.that outboard oil sure didn't hurt anything
     
    Rick Capper, Dec 25, 2022
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  20. brenndatomu

    brenndatomu

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    brenndatomu, Dec 25, 2022
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