Author Topic: Stihl FS-80  (Read 382 times)

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Offline Cut4fun .

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Stihl FS-80
« on: December 06, 2017, 06:10:35 pm »
Got this stihl fs80 bicycle handle bar trimmer when I was down south. Needs carb and on order.
Also came with a new metal brush cutting blade.  Dont know if I will keep it yet or not.



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Offline 3000 FPS

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Re: Stihl FS-80
« Reply #1 on: December 06, 2017, 10:22:53 pm »
I believe the FS80 used a solid steel shaft instead of the flexible spring steel type shaft.    It also has a gear head on it to get the angle instead of the bent shaft trimmers.     The gear head should be packed with grease and that is something that you can check.   

If I remember correctly the trimmer head is a left hand thread and there is a place that you can stick a allen wrench into it that will keep the head from rotating so that you can unscrew it.  They can get pretty tight.   
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Offline concretegrazer

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Re: Stihl FS-80
« Reply #2 on: December 07, 2017, 04:17:53 pm »
Fs-75 & 80 are cable drive. Fs-85 is shaft driven. Same powerhead on all 3. The 75 is bent shaft.
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Offline Cut4fun .

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Re: Stihl FS-80
« Reply #3 on: December 07, 2017, 04:18:57 pm »
Nice info Thanks.
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Offline pete

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Re: Stihl FS-80
« Reply #4 on: December 14, 2017, 06:25:36 am »
the fs 80s I have are straight steel shaft  run steel blades and cut small saplings no problem but they are 35 years old and cycle handlebar style  and thats in Oz

Offline Cut4fun .

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Re: Stihl FS-80
« Reply #5 on: December 14, 2017, 08:48:26 am »
The stihl dealer techs told me to check. Because they have seen the 80 with cable and solid. 
Just got the carb in but in no hurry. 17 out and snowing.
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Offline Cut4fun .

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Re: Stihl FS-80
« Reply #6 on: December 21, 2017, 01:46:47 pm »
Old carb just had a L and looked like a brass gov on side. I ordered a new aftermarket with H and L.  New echo lines and running like a new one. 
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Offline Cut4fun .

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Re: Stihl FS-80
« Reply #7 on: April 09, 2018, 06:53:24 am »
Was putting the metal brush cutting blade on this yesterday and ended up having to order the blade adapter kit.  $10

The stihl blade that came with this uses 7/32 round file to sharpen.   



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Offline Cut4fun .

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Re: Stihl FS-80
« Reply #8 on: April 09, 2018, 07:27:20 pm »
Saving // JM =  4117 710 8200 is the stihl part number, they call it a limit stop. It is a solid aluminum guard.
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Re: Stihl FS-80
« Reply #9 on: April 13, 2018, 07:10:46 am »
Parts came in yesterday and installed the blade. Holy heck I dont lived without one of these so long.
Cutting briars and small trumpet vine was like cutting butter with a laser.
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