Power Unit; Checking The Engine Oil; Changing The Engine Oil - Yamaha F100C Service Manual

CHK
ADJ
NOTE:
Be sure not to spill any fuel when removing
the fuel filter cup.

Power unit

Checking the engine oil

1. Place the outboard motor in an upright
position.
2. Remove the engine oil dipstick, wipe it
clean, and then insert it back into the oil
filler hole.
3. Remove the dipstick again to check the
oil level, and the oil for discoloration and
its viscosity.
3-5
Periodic checks and adjustments
S60C3050
NOTE:
• Change the oil if it appears milky or black.
• If the engine oil is above the maximum level
mark a, drain sufficient oil until the level is
between a and b.
• If the engine oil is below the minimum level
mark b, add sufficient oil until the level is
between a and b.

Changing the engine oil

1. Remove the engine oil dipstick and oil
filler cap 1.
3
2. Place a drain pan under the drain hole,
and then remove the drain bolt 2 and let
the oil drain completely.
S60C3060
S60C3070
60C5D11