12 questions from our users
What is the difference between the FS90R & FS91R models?
Is the fs 90 r a 2 cycle... Whats the fuel type
The fs 90 is a four stroke engine, but by some jiggery pokery it is designed without a sump, you must use 2 stroke fuel, 50 to 1 if you are using Stihl oil, if you use it without 2 stroke oil it will die in short order.
what is the Z on a FS90 RZ ? brushcutter
How do I find timing marks on crank and valve gear?
Did anyone on here by fs90r new? If so do you know what the price was when purchased? I'm looking at a used one but was unsure of what the actual purchase price was. Thanks in advance
Do the FS 90 and FS 90 R have the same head if you need to replace?
Why was it discontinued?
What is the difference between fs90r and fs90?
Do you use mixed fuel since it's a 4 stroke?
Can you get parts for a Stihl FS 90 AV brushcutter?
Parts are readily available from a stihl dealer, machine is no longer in production but because it was so popular there's tonnes of parts
II would like to know what the price range is for a new STHIL FS 90 Brush Trimmer is?
What is the petrol/oil ratio for the Stihl FS90, 25:1 or 50:1?
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