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  1. #1

    Join Date
    Apr 2016
    Posts
    6
    Location
    Ohio
    Mower
    Toro

    stihl kombi fuel additive?

    other the 2 cycle oil + fuel stabilizer. can i add Chevron Techron Concentrate Plus 2oz/gallon to clean up 2 cycle engine?

  2. #2

    2,500 Post Club

    Join Date
    Jul 2013
    Posts
    4,650
    Location
    Georgia
    Mower
    2010 simplicity broadmoor 46" deck 20hp vanguard

    Re: stihl kombi fuel additive?

    don't over do it, stick to your Stihl manual.

  3. #3

    Join Date
    Dec 2018
    Posts
    260
    Location
    USA
    Mower
    Snapper, Echo, Poulan

    Re: stihl kombi fuel additive?

    Yamaha makes a fuel system cleaner and "top end" cleaner (not a stabilizer) that works extremely well, "Ring-Free"

    https://www.shopyamaha.com/product/d...?b=Search&d=34

    It's made for both 2 and 4 stroke engines and is highly regarded in the Marine world. Do a search..

    I personally use it in EVERY GAS machine (two strokes as well) I own as well as customers machines. Since using it (from about 2007 when I learned about it), I've NEVER had to re-clean a carb of my own.


    *Often, after a repair and tune (with a tach), I re-tune the next day... Roughly, 50% of the time, I can NOW increase RPM's re-tuning, doing NOTHING ELSE.

    Normal mix is 1oz / 10 gallons. A shock treatment is 2 oz / ONE gallon. I've mixed it heavier with NO issues...


  4. #4

    Join Date
    Mar 2012
    Posts
    8,129
    Location
    Wisconsin
    Mower
    Toro

    Re: stihl kombi fuel additive?

    Agree with Mark, stick to the manual recommendations. Why are you thinking of adding a cleaner?
    This is only my opinion, and many will say it ain't worth a darn, as I'm only a retired grease monkey instructor and not a professional mechanic. Use what I post at your own risk as you know teachers only know book knowledge.

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