1. #1
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    Default Partner K650 Fuel Ratio

    Anyone know the correct fuel/oil ratio for an older Partner k650 saw?
    Thanks!

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    The partner saws we have are 50:1, should be the same.

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    What is the definition of "older?" If the unit is 10-12 years old or less, it's probably 50:1. Older than that, it may be 32:1 Call Partner, give them the SN and see what they say.

    I was working in the small engine industry when 50:1 ratios first came out, as a result of much better formulated and synthetic blends. Many were skeptical about mixing 2 ounces of oil with one gallon of gas....I remember landscaper after landscaper coming into the shop and buying three bottles for one gallon of gas, and then they wondered why their units were all smoking like a crop duster and fouling plugs. And then the world almost came to an end when Lawn Boy issued a factory statement that yes, they approved of running their 32:1 engines on a 50:1 synthetic mix!
    "Loyalty Above all Else. Except Honor."

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    Contacted Partner, it's 50:1 with husqvarna (or partner) mix oil, 25:1 with "other brands". So it's tha same as our other saws as well.

    Thanks!

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    Quote Originally Posted by Asst48 View Post
    Contacted Partner, it's 50:1 with husqvarna (or partner) mix oil, 25:1 with "other brands". So it's tha same as our other saws as well.

    Thanks!
    Not quite...Any premium 2 cycle synthetic 50:1 oil can be used in any
    2 cycle motor....except outboard motors.

    I've been using it in my 1979 Lawnboy since the 50:1 oils came out.I use the same 50:1 mix in all my "toys" chainsaws,trimmer,leave blower.....

    No problems at all.

    Don

    Shindaiwa premium 50:1 oil is the brand I use.,but they are all good.

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    Quote Originally Posted by don120 View Post
    Not quite...Any premium 2 cycle synthetic 50:1 oil can be used in any
    2 cycle motor....except outboard motors.

    I've been using it in my 1979 Lawnboy since the 50:1 oils came out.I use the same 50:1 mix in all my "toys" chainsaws,trimmer,leave blower.....

    No problems at all.

    Don

    Shindaiwa premium 50:1 oil is the brand I use.,but they are all good.
    Read my above post #3
    "Loyalty Above all Else. Except Honor."

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    From the manufacturer

    Dear Michael,

    It is recommended to mix the oil with 89 octane or higher fuel at a ratio of 50:1 using Husqvarna two cycle mix (Partner Brand Mix oil is the same if it is still available in your area). If you use another well known brand it is recommended to mix at 25:1.

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    It's fine by me if you choose a different brand oil for each of your tools,save yourself a few headaches and standardize.

    A lot of us have done this before.

    Actually Husqvarna and Shindaiwa are the same oil....blended and packaged
    by Spectrum Corporation in Tennessee.Stihl has few types of 2 cycle oil one
    is made by Castrol/BP lubricants in Maryland,another in Germany,and a couple
    are blended in the U.S. by Omni Specialty Packaging in Louisiana.

    Manufacturers always "recommend" their own brand.

    I don't use Mopar oil in my Dodge,and my wife doesn't use Motorcraft oil in her Ford.

    Don


    http://www.mymowerparts.com/pdf/Husq...s/N0207007.pdf

    http://www.shindaiwa.com/can/en/_doc...2cycle50-1.pdf

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