Engine Oil; Engine; Flushing Device; Install Cowling - Yamaha F25 Owner's Manual

EMU27166

Engine oil

1. Put the outboard motor in an upright po-
sition (not tilted). NOTICE: If the motor
is not level, the oil level indicated on
the dipstick may not be accurate.
[ECM01790]
2. Remove oil dipstick and wipe it clean.
3. Insert the dipstick and remove it again.
Be sure to completely insert the dipstick
into the dipstick guide, otherwise the oil
level measurement will be incorrect.
4. Check the oil level using the dipstick to
be sure the level falls between the upper
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.
1. Oil dipstick
3
2
1. Oil dipstick
2. Lower level mark
1
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1
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3. Upper level mark
EMU27153

Engine

Check the engine and engine mounting.
G
Look for loose or damaged fasteners.
G
Check the propeller for damage.
G
Check for engine oil leaks.
G
EMU36490

Flushing device

Check that flushing device's garden hose
connector is securely screwed on to the fit-
ting on the bottom cowling. NOTICE: If the
flushing device is not properly connect-
ed, cooling water can leak out and the en-
gine can overheat during operation.
[ECM01800]
1 2
1. Fitting
2. Flushing device
EMU36953

Install cowling

1. Be sure that a cowling lock lever is re-
leased.
2. Be sure that the rubber seal is seated all
the way around the top cowling.
3. Place the top cowling on bottom cowl-
ing.
4. Check to be sure the rubber seal fits cor-
rectly all the way around the engine.
5. Move the lever to lock the cowling as
shown. NOTICE: If the cowling is not
Operation
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45