I've tried both. Mine likes Ethanol free regular the best.
NRA Life Member because ... "Tyranny cannot be safe without a standing army, an enslaved press, and a disarmed populace." -James Madison
Motorcycles: '01 GL1800; 2014 DL650 Adventure; gone away already: 5 BMW's, 4 Honda's, 2 Suzuki's
"The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane." -Marcus Aurelius