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  #1  
Old 08-11-2012, 07:59 PM
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GreenBlade GreenBlade is offline
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Stihl FS70 problem?

So I picked up a STIHL FS70 on monday, new, and I really like it. No problems with performance at all as far as I can tell, but the exaust seems to be shooting out oil! It's getting everywhere and I jst didnt know if this was normal? I am having it looked at regardless this coming monday. I'll put up some pictures so you guys can get a better idea of what I;m saying here. Just let me know what you guys think; all you mechanics out there!
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  #2  
Old 08-11-2012, 08:37 PM
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Gatewayuser Gatewayuser is offline
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You are running 50:1 oil right? Also try removing the spark arrestor(sp) if you aren't in a dry area.
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  #3  
Old 08-11-2012, 09:13 PM
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GreenBlade GreenBlade is offline
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Yes 50:1 oil. It was even doing with the gas the dealer put in for me.
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Old 08-11-2012, 09:18 PM
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Quote:
Originally Posted by GreenBlade View Post
Yes 50:1 oil. It was even doing with the gas the dealer put in for me.
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Sounds like a bad carb or the engine isn't burning the mix well enough.
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  #5  
Old 08-11-2012, 09:41 PM
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GreenBlade GreenBlade is offline
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here are the pics.
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  #6  
Old 08-12-2012, 01:55 AM
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chagh2.0 chagh2.0 is offline
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Dude that can't be good bring it back and try a new one.
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  #7  
Old 08-12-2012, 10:17 AM
yardguy28 yardguy28 is offline
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yeah I don't think that's good. mine doesn't do that and never has.

I'm using regular 87 octane mixed with the grey stihl oil bottles.
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  #8  
Old 08-12-2012, 11:33 AM
mefast mefast is offline
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Return it........
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  #9  
Old 08-13-2012, 02:33 PM
POWDER SL,UT POWDER SL,UT is offline
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In my experience, 99% of time I've seen this, it's almost always the oil to gas ratio is mixed to high. I'm also always told everytime, the mix is 50:1, so it has to be mechanical.

Mistakes happen, someone grabs a 2 gal mix for 1 gal or a 2.5 gal mix for a 2 gal gas. Even at the dealer, the help could have screwed up the mix that was put into the unit.

Almost always, I replace with new fuel mix and run it for a bit to flush the excess oil out first, then pull the muffler off and wipe out the exhaust port, rinse out the muffler and spark-arr ester before it bakes on. 99% of the time it goes away with just these steps. It's also always best to replace the fuel before breaking down a carb, if not, to find out later that its was in fact the oil mix was in fact to high.

Your dealer will take care of you, but it would also be a good learning experience for you learn how to take care of your equipment at a young age, by attempting a simple problem solving first yourself.
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  #10  
Old 08-13-2012, 03:59 PM
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dutch1 dutch1 is online now
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Don't mess with it---get it to the dealer, pronto, let them solve Stihl's problems. Tearing into things may void your warranty, depending on the attitude of your dealer.
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