![background image](http://html1.mh-extra.com/html/stihl/fs-80/fs-80_instruction-manual_1378654033.webp)
32
English / USA
FS 80, FS 80 R, FS 85, FS 85 R
Fuel mix ages
Only mix sufficient fuel for a few days
work, not to exceed 3 months of storage.
Store in approved fuel-canisters only.
When mixing, pour oil into the canister
first, and then add gasoline. Close the
canister and shake it vigorously by hand
to ensure proper mixing of the oil with
the fuel.
Dispose of empty mixing-oil canisters
only at authorized disposal locations.
Before fueling, clean the filler cap and
the area around it to ensure that no dirt
falls into the tank.
Always thoroughly shake the mixture in
the canister before fueling your
machine.
In order to reduce the risk of burns
or other personal injury from
escaping gas vapor and fumes,
remove the fuel filler cap carefully
so as to allow any pressure build-up
in the tank to release slowly.
After fueling, tighten fuel cap
as
securely as possible
by hand.
Change the fuel pick up body every
year.
Before storing your machine for a long
period, drain and clean the fuel tank and
run engine until carburetor is dry.
Gaso-
line
Oil (STIHL 50:1 or
equivalent high-quality oils)
US gal.
US fl.oz
1
2.6
2 1/2
6.4
5
12.8
Fueling
389BA031 KN
389BA032 KN