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  #21  
Old 08-18-2012, 09:09 AM
yardguy28 yardguy28 is offline
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Quote:
Originally Posted by GreenBlade View Post
Okay, so I took that one back and got a new one. Dumped the gas the dealer put in for me, and put some fresh mixed 93 w/ the pre-measured STIHL oil for 1 gal. & THE SAME THING IS HAPPENING! what the hell is wrong! I like STIHL & I like this trimmer a lot, but maybe I'll be going red max or echo.
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don't know how good of a dealer you have but I would expect the dealer to work with until the issue is COMPLETELY resolved. even if that means taking the second one back.

the fact that both of these trimmers aren't even a week old SHOULD be in your favor.

I wish I could help more because the fs70 is a great trimmer besides the plastic housing design. you have to undo the throttle assembly every time you want to remove the outer plastic shell.

as I said I haven't had your issue. I use 87 octane with the grey 2 gallon mix.
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  #22  
Old 08-18-2013, 06:03 PM
GrassGuerilla GrassGuerilla is offline
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Location: St. Louis Missouri
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Ok, I have to know what happened. Happy ending?
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  #23  
Old Yesterday, 11:55 AM
tagman9111 tagman9111 is online now
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Location: Spencerport, NY
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I just bought this trimmer about a month ago and I have the same problem. Around the muffler has a lot of oil. I use the same gas (91 octane and stihl hp ultra) in my stihl blower and no problems. I'm going to contact the dealer to see what they say.
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  #24  
Old Yesterday, 10:31 PM
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burtle burtle is online now
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I have the same trimmer. There's a little oil but nothing like yours. I've used mine about 10-12 times. Runs great. I think the amount mine has is normal wear and tear.
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  #25  
Old Today, 09:59 AM
crankincraig crankincraig is online now
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Could it be possible that the Stihl ultra oil being fully synthetic is not allowing the rings to seat properly? I know on c 4 cycle engine that most of the time synthetic oil is not recommended during break in , Kohler for example recommends 50 hours.
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