Originally Posted by Venice Motor Bikes
These 2-stroke engines only have 6:1 compression, so technically you only need 87 octane; But I've found that my bikes run a little better (barely noticable) with the good stuff. Maybe it's the other chemicals they put in the good stuff??
The higher the octane rating...the hotter it burns....these little air cooled motors run hot anyway....I'd go with 87....my nickels worth.......