Engine Oil - Yamaha C40A Owner's Manual

If knocking or pinging occurs, use a differ-
ent brand of gasoline or premium unlead-
ed fuel. If unleaded gasoline is not avail-
able, then leaded regular gasoline can be
used.
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.
methanol is not recommended by Yama-
ha because it can cause fuel system dam-
age or engine performance problems.
EMU00858

ENGINE OIL

Recommended engine oil:
YAMALUBE 2 STROKE OUTBOARD OIL
If the recommended engine oil is not
available, another 2-stroke engine oil with
a NMMA-certified TC-W3 rating may be
used.
1-11
E
Gasohol containing