Husqvarna SVARTPILEN 401 Owner's Manual page 108

9 RIDING INSTRUCTIONS
In some countries and regions, the available fuel quality and cleanliness may not be sufficient. This will result
in problems with the fuel system.
–
Refuel only with clean fuel that meets the specified standards. (Your authorized Husqvarna Motorcy-
cles workshop will be glad to help.)
106
Note
Environmental hazard Improper handling of fuel is a danger to the environment.
–
Do not allow fuel to enter the groundwater, the soil, or the sewage system.