KTM RC 390 2019 - Page 260

24 SUBSTANCES
258
– Fuel with an ethanol content of up to 10 % (E10 fuel) is safe to use.
Info
Do not use fuel containing methanol (e. g. M15, M85, M100) or more than 10 % ethanol (e. g. E15,
E25, E85, E100).