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  #1  
Old 11-15-2006, 09:16 PM
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Tips on stihl 4 mix engines

I wrote to stihl about my 4 mix product and got a call the next day. I learned some valuble information on the 4 mix engine. The guy told me to run only synthetic stihl 2 cycle oil and run it a littler leaner than rich. I've been using echo power blend and was told that's a no no. Maybe some of you on here that have had bad experiences with the 4 mix might have been using bad oil and gas which greatly affect the engine. How have everyone's 4 mix engines been running?
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Old 11-15-2006, 09:41 PM
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I run Stihl 4-mix as well and have used the Echo powerblend oil. I've been using it in my units for about a year now. Theres been no issues so far for me.
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Old 11-15-2006, 09:45 PM
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the br600 I had for a short time, was running to what the tech's from stihl told the person at the dealership I bought it from, right rpm's etc. It just did'nt produce enough air out the tube. I did'nt use stihl oil.
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Old 11-15-2006, 09:47 PM
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Quote:
Originally Posted by SnapperAriens
run only synthetic stihl 2 cycle oil and run it a littler leaner than rich. ?
So what kind of problems will be prevented by running it lean? Is this a solution for not have an adjustable carb?? And how did he suggest you mix this special blend?
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Old 11-15-2006, 10:15 PM
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I use the Stihl HP oil and have not had any problems. The 600 does have adjustable carb. I don't understand why they told you to mix it lean.
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  #6  
Old 11-15-2006, 10:35 PM
jcltyson jcltyson is offline
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I've used Stihl and Husqavarna in my 4-mix Stihl FS 130 trimmer. Both seem to work fine. Starts quick and has good power at high rpm.
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Old 11-15-2006, 10:47 PM
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Quote:
Originally Posted by SnapperAriens
I wrote to stihl about my 4 mix product and got a call the next day. I learned some valuble information on the 4 mix engine. The guy told me to run only synthetic stihl 2 cycle oil and run it a littler leaner than rich. I've been using echo power blend and was told that's a no no. Maybe some of you on here that have had bad experiences with the 4 mix might have been using bad oil and gas which greatly affect the engine. How have everyone's 4 mix engines been running?

So......did you expect the Stihl Rep to reccommend any oil other than Stihl?
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  #8  
Old 11-15-2006, 10:51 PM
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Carbon build up in the new 4 mix engines have been the major problem according to my dealer. Stihl has come out with a decarbonizing cleaner that you need to use periodically to keep the 4 mix enignes clean. Nice!
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Old 11-15-2006, 10:58 PM
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I use low octane gas ( i know a no no) and echo oil and my stuff runs fine.
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  #10  
Old 11-16-2006, 03:52 AM
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I mostly use Amsoil at 80:1 but have been known to use Shindaiwa at 50:1 when I ran out of Amsoil. I've been using it in a BR600 for over a year now with no problems.
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