What is the suggested gas for motorcycle?
For a motorcycle engine, premium unleaded is the best octane of fuel for most bikes. This is a 91 or higher octane depending on your geographical location. The higher octane the fuel, the more cleanly it burns. This will give the motor better performance.
The first motorcycle was made in the US by Sylvester Howard Roper (1823-1896), who invented a two-cylinder, steam-engine motorcycle (powered by coal) in 1867. Or - in terms of the internal combustion engine, the first motorcycle was made by Gottlieb Daimler, who in 1885, attached an engine to a wooden bike.
To answer correctly you have to consider "Time". the first dirt bike rider has to be the person who invented the first motorcycle, (no paved roads, everything was dirt). Now, you have two factions claiming to be the first, (no particular order) #1 Nicolaus A. Otto, in 1876 invented the gas motor, then quickly put it in a motorcycle, [He is well known for his gas engines], #2 Gottlieb Daimler, in 1885 built his motorcycle…