Yamaha F80B Outboard Motor User Manual


 
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EMU01804
GASOLINE
If knocking or pinging occurs, use a differ-
ent brand of gasoline or premium unlead-
ed fuel.
EMU00027
Gasohol
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 dam-
age or engine performance problems.
Recommended gasoline:
Regular unleaded gasoline with a
minimum octane rating of 86
(Pump Octane Number) = (R+M)/2
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