Husqvarna R419TsX AWD Workshop Manual page 15

WARNING: Do not use the fuel tank as a
support area.
CAUTION: Incorrect type of fuel can result in
engine damage.
The engine runs on gasoline with a minimum octane
rating of 91 RON (87 AKI), not mixed with oil. We
recommend biodegradable alkylate gasoline. Do not use
gasoline that contains more than 10% ethanol.
• Do a check of the fuel level before each use and
refuel if necessary.
• Do not fully fill the fuel tank. Keep a space of a
minimum 2.5 cm.
914 - 003 - 28.03.2019 Assembly - 15