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While many additives available may reduce deposits, Yamaha recommends the use of Ring Free Fuel Additive, available from your Yamaha dealer. Ring Free has repeatedly proven its ability to clean combustion deposits from inside the engine, notably the critical piston-ring- land area, and fuel system components. Follow product labeling for use instruc- tions.

EMU01800*

FILLING OIL

This engine uses the oil injection system, which provides superior lubrication by ensuring the proper oil ratio for all operating conditions. No fuel premixing is needed (except during break-in). Simply pour gasoline into the fuel tank and oil into the oil tank. Convenient indicator segments indicate the status of the oil supply. For details on reading the indicator segments, see “Oil level indicator” in this chapter.

To fill the engine oil tank, proceed as fol- lows:

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Do not add gasoline into the oil tank. Fire or explosion could result.

Engine oil tank capacity:

See Chapter 4, “Specifications.”

1)Turn the oil filler access cap on top of the top cowling counterclockwise and open it.

2)Open the oil tank filler cap by pulling a tab on the cap.

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