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  #41  
Old 08-07-2012, 11:28 PM
B&SFTW B&SFTW is offline
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Join Date: May 2012
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Quote:
Originally Posted by Roger View Post
Right? Please explain.
they have figured out how to lubricate a small engine with a sump system without angle restrictions, and without starving the engine for oil. that to me is "right". I will even admit, while it is nice not to burn the oil, that is not part of the definition of lubricating an engine right.
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  #42  
Old 08-08-2012, 07:10 AM
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GMLC GMLC is offline
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3 years of very hard use on my stihl fs90r with no problems. Had run stihl 2 cycles for 12 years before the switch to the 4 mix. I was nervous at first but now Im sold. The 4 mix is awesome with tons of low end torque and easy starting.
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  #43  
Old 08-08-2012, 10:30 AM
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frotis frotis is offline
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I prefer my Stihl FS80R over my FS90R is lighter better balanced, and rarely ever need to run it at full throttle. Plus you have more range on the throttle, the FS90 is basically full or nothing.

I would have bought a few more if I knew they were going to stop making them.
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  #44  
Old 08-08-2012, 11:56 AM
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Belgium Belgium is offline
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Our last km130 (bought in march this year) has been twice in the shop, one time to get new valves and 1 time to get a new carb (luckily it was all covered by warranty, lucky me :S ). Our other km130 which is 2 years old and gets used everyday, still runs fine. But what else can we buy that is so multifunctional and powerful at the same time? I tried the maruyama combi and hated it (not enough power). Probably the same for the echo version although i haven't tried that one.
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  #45  
Old 08-25-2012, 04:03 PM
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kawasaki guy kawasaki guy is offline
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should i stick to shindy 2 cycle og should i try a stihl?
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  #46  
Old 11-07-2013, 02:25 PM
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jkilov jkilov is offline
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I am resurrecting this thread to post my disappointment in the 4-mix as my FS 90 died yesterday after just 2 seasons. I tore it down to find a burned exhaust valve and worn cam pin.

Personally I don't think 4-strokes are a bad design but it seems with the 4-mix Stihl targeted to make a 4-stroke that costs no more than a 2-stroke. A lot of internal parts look cheaply made and I think that's the real problem.
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  #47  
Old 11-07-2013, 07:52 PM
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Richard Martin Richard Martin is offline
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Quote:
Originally Posted by jkilov View Post
I am resurrecting this thread to post my disappointment in the 4-mix as my FS 90 died yesterday after just 2 seasons. I tore it down to find a burned exhaust valve and worn cam pin.
Was the valve chipped or just have a burned appearance? What grade and brand of gasoline and what oil mixed at what ratio? Exhaust valves get burned because they're overheated. A low octane or cheap no name brand gas can cause that. I'm just wondering, not being critical.
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  #48  
Old 11-07-2013, 08:31 PM
HenryB HenryB is offline
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I've had about 12 4mixes I sell them after 2 seasons. I've had great luck with them and I run 87 octane and Walmart 2 cycle oil. I'm really starting to wonder if Walmart 2 stroke oil is better than Stihl Ultra, Amsoil, Opti 2 etc.
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  #49  
Old 11-07-2013, 08:54 PM
Roger Roger is offline
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If this thread had a 14+ month "dead period" about Stihl 4-mix troubles, I would use that as a marker of great success for Stihl 4-mix products. While jkilov may have had troubles with his unit, the lack of posts against this thread is a sign that nearly all are not having troubles with their Stihl 4-mix.

Also, "2 years" is not enough information to be useful regarding the longevity. If the unit was used sparingly by a solo operator, two years would seem a short life span. If, the unit was being used as part of a crew, when it was being used several hours every day in a climate that works year around, then two years sounds like a good life.
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  #50  
Old 11-07-2013, 10:44 PM
GQLL GQLL is offline
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People like beating a dead horse. We run stihl never had problems with the 20 pieces we own
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