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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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Ok, I have to know what happened. Happy ending?
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  #23  
Old 05-25-2015, 11:55 AM
tagman9111 tagman9111 is offline
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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 05-25-2015, 10:31 PM
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burtle burtle is offline
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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 05-26-2015, 09:59 AM
crankincraig crankincraig is offline
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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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  #26  
Old 05-26-2015, 04:28 PM
tagman9111 tagman9111 is offline
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Originally Posted by crankincraig View Post
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.

Not sure. I used the same mix on the bg86 blower and no issues like this whatsoever.
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  #27  
Old 05-26-2015, 07:07 PM
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ed2hess ed2hess is online now
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Quote:
Originally Posted by crankincraig View Post
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.
Good answer and they need to stop using that high octane gas. Get red armour and try it.
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  #28  
Old 05-26-2015, 08:42 PM
GlynnC GlynnC is online now
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Location: Nashville Tennessee
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Quote:
Originally Posted by POWDER SL,UT View Post
You don't have to "tear into" it to try a fresh oil/fuel mix to see if it's noticeably spitting out less oil after a few minutes of using it. If so, it's then NOT Stihl's or a warranty problem, because it is a too much oil issue. If it was ran on too much oil mix, Stihl is not going to pay to clean up the mess.

All I'm saying, in my experience this is usually user error on oil mix and not a mechanical warranty problem, and is simple and just pocket change to test before taking it out-of-service and spending more time and money going to the dealer to drop it off and then to return again to get it.

If after testing fresh verified fuel mix and it is still pissing out oil, then it is a Stihl warranty problem.
Okay, I'm embarrassed! I am so so picky on my fuel mix--93 octane non ethanol gas, very precise measurements, always fresh fuel mix, major brand of oil, mixed at 50:1---or so I thought! Mixing a fresh batch of fuel today, just for kicks, decided to check everything out. For the last year or so, I've been using Echo Red Armor oil, 2 1/2 gal bottle dumped into my (very precise) 2 gal of gas--been mixing at 40:1.

Yes mistakes can and DO happen!!
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  #29  
Old 05-26-2015, 09:30 PM
herler herler is offline
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We don't fix equipment under warranty, that is why it has a warranty, bring it back to the people who sold it to you, they need to honor said warranty, thank you, have a nice day.
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