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Use the RIGHT gas in trimmers

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  • Use the RIGHT gas in trimmers

    I have two gas weed eaters for different needs. One is a Poulan and the other is a Ryobi, both 2 cycle. Poulan uses 40 to 1 gas and the Ryobi uses 50-1. Last fall I decided to buy the already mixed and bought a 50-1. The Poulan did OK but when trying to get it to start this morning it was like it was gummed up. I sprayed the carb good with cleaner and blew it off with the air hose. Still the Poulan wouldn't start. I poured the half a tank of 50-1 out and opened a new can of 40-1 for the Poulan and it ran like it should.

    I didn't realize the difference were that much in how each engine operates. The 50-1 runs well in the Ryobi but not in the Poulan.
    Last edited by leehljp; 04-16-2020, 12:27 AM.
    Hank Lee

    Experience is what you get when you don't get what you wanted!

  • #2
    I have a Homelite chain saw that is a 32 to 1 2 stroke and one fall I left it with mix in the tank. Next spring, it was so gummed up, it would not start. Nothing would work to get it started. Out of desperation, I filled the tank with straight 87 octane gas, put a non-vented cap on the tank and set the saw in the sun for a few hours. Darn thing started on the third pull. Put new mix in and it ran fine from then on. But you are correct, the mix ratio is important for some of these little motors.
    Jim Frye
    The Nut in the Cellar.

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    • #3
      The very reason I gave all of my gasoline weed eaters, pole saw, leaf blower and chain saw away and replaced them with battery powered tools! They may not last much
      longer but I was tired of fiddling around with gummed up carbs and pulling a cord! The 58 volt Echo weed eater is a beast!

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      • #4
        Originally posted by capncarl View Post
        The very reason I gave all of my gasoline weed eaters, pole saw, leaf blower and chain saw away and replaced them with battery powered tools! They may not last much
        longer but I was tired of fiddling around with gummed up carbs and pulling a cord! The 58 volt Echo weed eater is a beast!
        A different beast but relevant to your post: I bought a Husqvarna 22 inch push mower as a trim mower about 6 or 7 years ago. That thing has not failed to start on the first pull but one time, and it had water in the gas line then.

        In general, I don't clean my gas powered equipment as much as I should but I do take care of them and don't abuse them. They generally reward me with longevity. My craftsman purchased in 2000 is still running strong; that Husqvarna is a jewel of a mower.
        Hank Lee

        Experience is what you get when you don't get what you wanted!

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        • #5
          I've run a lot of two-stroke motors in my life, your results are the opposite of what I'd expect. I've had engines from RC sized to a 750 triple, and built/rebuilt a lot of motors. When you run a HIGHER oil ratio is when you often have trouble with the engine running right, and when things gum up. Running a too-low ratio like you tried to do is bad for the longevity of the motor. I would bet that you had carb issues before, and cleaning it was the real solution. I would expect the 50 to run better...for a while.

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          • #6
            For my first 20 years of owning property, I used Amsoil. .
            I used it on a 25 yr old McColloch chainsaw, and a 10 yr old Poulon. I also had a modern 2-cycle weed whacker.
            I never had a broken engine. (the weed eater died mechanically)


            2 years ago, after a nasty divorce ----- I lost all my power tools, and moved to West by Gawd.

            In a raging act of rebellion, I decided I was going with Stihl instead of Home Depot. I use their over-priced mix (you extend the warranty when you buy the mix).
            I haven't had any problems, but they're only 2 years old. (I have 2 acres ---- so they get decent amount of use).

            I only use about 5 gallons a year, and I bought 25 cans of that crap ----- so it's going to be 5 years before I can return to my old habits.



            Last edited by durango dude; 04-20-2020, 10:49 AM.

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            • #7
              I’m down to just three ICE outdoor tools. I have a 20+year old 2 cycle Toro snow thrower. The primer bulb dry rotted off this winter and you have to prime it by blowing into the oriface with a tiny straw. Fortunately, with global warming. the machine only gets used a couple of times a year. When it dies, a BEV snow thrower will replace it. The two Ames snow shovels I bought in 1974 are still working perfectly. Yes, I’ve put new steel edges on them a couple of times. The other ICE tool is the TroyBilt 4 stroke string trimmer power head (based on Ryobi’s original 4 stroke model 990r). By the time it packs it in, replacement will be tough because I have a bunch of Ryobi’s add on tools that fit the TroyBilt (& the 990r). The third tool is Dewalt power washer. It’s a 4;stroke Honda engine. This one gets used less than the snow thrower.
              Last edited by Jim Frye; 04-20-2020, 11:58 AM.
              Jim Frye
              The Nut in the Cellar.

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              • #8
                Jim, the Ryobi add on tools that you use on the Troy Bilt will fit on the Ryobi 40v powerhead. I use the Troy Bilt pole saw that came with the TToy Bilt 4 stroke I bought 12 years ago. The 40volt Ryobi powers it well without the hassle of the gasoline engine. The Ryobi / Troy Bolton add on tools will not attach to the Echo 58 volt powerhead though, it’s shaft size is a bit larger and the tool will not couple up.
                capncarl

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                • #9
                  Originally posted by capncarl View Post
                  Jim, the Ryobi add on tools that you use on the Troy Bilt will fit on the Ryobi 40v powerhead. I use the Troy Bilt pole saw that came with the TToy Bilt 4 stroke I bought 12 years ago. The 40volt Ryobi powers it well without the hassle of the gasoline engine. The Ryobi / Troy Bolton add on tools will not attach to the Echo 58 volt powerhead though, it’s shaft size is a bit larger and the tool will not couple up.
                  capncarl
                  Good to know. The original Ryobi 990r ran for over 15 years before the cam went soft. The TroyBilt was $194, which was less than the cost to replace the worn cam on the 990r. TroyBilt bought the rights to Ryobi’s outdoor line of tools and then MTD bought TroyBilt. The TroyBilt 4 stroke is an improved design of Ryobi’s trimmer, so it may run for quite some time. The old Ryobi attachment will also not attach to Sthil’s line either. I don’t have any 40 volt Ryobi tools now (my one neighbor does though and likes them. His battery snow thrower is an eGo model. When the snow thrower dies, I’ll get lookin.
                  Jim Frye
                  The Nut in the Cellar.

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