Regular unleaded gasoline with a minimum octane rating of 86 (Pump octane number) = (R+M)/2
If knocking or pinging occurs, use a different brand of gasoline or premium unleaded fuel. If unleaded gasoline is not avail- able, then leaded regular gasoline can be used.
There are two types of gasohol: gasohol containing ethanol and that containing methanol. Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the fuel meets minimum octane ratings. Gasohol containing methanol is not recommended by Yama- ha because it can cause fuel system damage or engine performance problems.
YAMALUBE 2 STROKE OUTBOARD OIL
If the recommended engine oil is not available, another