Maintenance

en 1/4 - 1/2 turn. Have the drain plug torqued to the correct value with a torque wrench as soon as possible.

4.Add the correct amount of oil through the filler hole. Install the filler cap.

1

ZMU02677

1. Oil filler cap

Engine oil grade/capacity:

See page 34

5.Start the engine and make sure that there are no oil leaks.

6.Turn off the engine and wait 3 minutes. Recheck the oil level using the dipstick to be sure the level falls between the up- per and lower marks. Fill with oil if it is below the lower mark, or drain to the specified level if it is above the upper mark.

NOTE:

●For disposal of used oil consult your Yamaha dealer.

●The oil should be changed more often when the engine is operated under ad- verse conditions such as extended trolling.

EMU29111

Checking wiring and connectors

●Check that each grounding wire is properly secured.

●Check that each connector is engaged se-

curely.

EMU29120

Exhaust leakage

Start the engine and check that no exhaust leaks from the joints between the exhaust cover, cylinder head, and body cylinder.

EMU29130

Water leakage

Start the engine and check that no water leaks from the joints between the exhaust cover, cylinder head, and body cylinder.

EMU29140

Engine oil leakage

Check for oil leaks on the around the engine.

NOTE:

If any leaks are found, consult your Yamaha dealer.

EMU29171

Checking propeller

EWM00321

WARNING

You could be seriously injured if the engine accidentally starts when you are near the propeller.

●Before inspecting, removing, or install- ing the propeller, remove the spark plug caps from the spark plugs. Also, place the shift control in neutral, turn the main switch to “” (off) and re- move the key, and remove the lanyard from the engine stop switch. Turn off the battery cut-off switch if your boat has one.

●Do not use your hand to hold the pro- peller when loosening or tightening the propeller nut. Put a wood block be- tween the anti-cavitation plate and the propeller to prevent the propeller from turning.

44