Fueling - Stihl MS 441 Instruction Manual

English
Fuels with different percentages of
ethanol are being offered. Ethanol can
affect the running behaviour of the
engine and increase the risk of lean
seizure.
Use only STIHL two-stroke engine oil or
equivalent high-quality two-stroke air-
cooled engine oils for mixing.
We recommend STIHL 50:1 two-stroke
engine oil since it is specially formulated
for use in STIHL engines.
Do not use BIA or TCW (two-stroke
water cooled) mix oils!
Use only STIHL 50:1 heavy-duty
engine oil or an equivalent quality two-
stroke engine oil for the fuel mix in
models equipped with a catalytic
converter.
28
Take care when handling gasoline.
Avoid direct contact with the skin and
avoid inhaling fuel vapour.
The canister should be kept tightly
closed in order to avoid any moisture
getting into the mixture.
The fuel tank and the canister in which
fuel mix is stored should be cleaned
from time to time.
Fuel mix ratio
Only mix sufficient fuel for a few days
work, not to exceed 3 months of storage.
Store in approved safety fuel-canisters
only. When mixing, pour oil into the
canister first, and then add gasoline.
Examples
Gasoline Oil (STIHL 50:1 or
equivalent high-quality
oils)
liters liters
1 0.02
5 0.10
10 0.20
15 0.30
20 0.40
25 0.50
Dispose of empty mixing-oil canisters
only at authorized disposal locations.

Fueling

Before fueling, clean the filler cap and
the area around it to ensure that no dirt
falls into the tank.
Always position the machine so that the
filler cap points upwards.
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,
(ml)
remove the fuel filler cap carefully
(20)
so as to allow any pressure build-up
(100)
in the tank to release slowly.
(200)
(300)
(400)
(500)
MS 441