EMU00018GASOLINE (PETROL)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 beused.EMU00027GasoholThere are two types of gasohol: gasoholcontaining ethanol and that containingmethanol. Gasohol containing ethanolcan be used if ethanol content does notexceed 10% and the fuel meets minimumoctane ratings. Gasohol containingmethanol is not recommended by Yama-ha because it can cause fuel system dam-age or engine performance problems.E1-11Recommended gasoline:Regular unleaded gasoline with a mini-mum octane rating of 86 (PumpOctane Number) = (R+M)/2EMU00858ENGINE OILIf the recommended engine oil is notavailable, another 2-stroke engine oil witha NMMA-certified TC-W3 rating may beused.Recommended engine oil:YAMALUBE 2 STROKE OUTBOARD OIL