Yamaha F25 User Manual download pdf (Page 45)

Maintenance

40

with oil if it is below the lower mark, or

drain to the specified level if it is above

the upper mark.

7. Dispose of used oil according to local

regulations.

NOTE:

● For more information on the disposal of

used oil, consult your Yamaha dealer.

● Change the oil more often when operating

the engine under adverse conditions such

as extended trolling.

EMU29112

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

WARNING

EWM00321

You could be seriously injured if the en-

gine 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 remove 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 propel-

ler when loosening or tightening the

propeller nut. Put a wood block between

the anti-cavitation plate and the propel-

ler to prevent the propeller from turning.

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