FUEL AND OIL
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Mercury Optimax/DFI or Quicksilver DFI 2-Cycle Engine Oil is recommended for your engine. If Mercury
Optimax/DFI or Quicksilver DFI 2-Cycle engine oil is not available, we recommend using Mercury or
Quicksilver TC-W3 Premium Plus 2-Cycle Oil. Severe engine damage may result from use of an inferior
oil.
Fuel Additives
To minimize carbon deposit buildup in the engine, it is recommended to add Mercury or Quicksilver
Quickleen Engine Treatment additive to the engine's fuel at each tank fill throughout the boating season.
Use additive as directed on container.
Fuel Requirements
Do not use pre-mixed gas and oil in this engine. The engine automatically receives extra oil during engine
break-in. Use a fresh supply of the recommended gasoline during engine break-in and after engine break-
in.
Avoiding Fuel Flow Restriction
IMPORTANT: Adding components to the fuel supply system (filters, valves, fittings, etc.) may restrict the
fuel flow. This may cause engine stalling at low speed, and/or a lean fuel condition at high RPM that
could cause engine damage.
Filling Remote Oil Tank
Remove filler cap and fill with the specified oil. Oil tank capacity is 11.5 liters (3 gallons). Replace filler
cap and tighten securely.
IMPORTANT: Always make sure the oil tank caps are threaded on tight. An air leak will prevent oil flow
to the engine.
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Filling Engine Mounted Oil Reservoir Tank
NOTE: Filling this tank is only necessary if the oil level should ever drop and the low oil warning system
is activated.
1. Remove the top cowl.
2. Loosen the fill cap on the engine oil reservoir tank. Run the engine until all the air has been vented
out of the oil reservoir tank and tank is filled with oil to the point of overflow.
3. Re-tighten the fill cap. Stop the engine and replace the top cowl.
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