Start-In-Gear Protection (F4B, F5A, F6C); Engine Oil Requirements - Yamaha F6C Owner's Manual

Specifications and requirements
load. Generally, select a larger pitch propeller
for a smaller operating load and a smaller
pitch propeller for a heavier load. If you carry
loads that vary widely, select the propeller that
lets the engine run in the proper range for your
maximum load but remember that you may
need to reduce your throttle setting to stay
within the recommended engine speed range
when carrying lighter loads.
To check the propeller, see page 89.
F2.5A
1. Propeller diameter in inches
2. Propeller pitch in inches
3. Type of propeller (propeller mark)
F4B, F5A, F6C
1. Propeller diameter in inches
2. Propeller pitch in inches
3. Type of propeller (propeller mark)
15
x
-
1 2 3
ZMU04604
x
-
1 2 3
ZMU06853
EMU39191
Start-in-gear protection (F4B,
F5A, F6C)
Yamaha outboard motors are equipped with
start-in-gear protection device. This feature
permits the engine to be started only when it
is in neutral. Always select neutral before
starting the engine.
EMU39692

Engine oil requirements

Select an oil grade according to the average
temperatures in the area where the outboard
motor will be used.
Recommended engine oil:
4-stroke outboard motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Recommended engine oil grade 2:
SAE 15W-40/20W-40/20W-50
API SH/SJ/SL
Engine oil quantity:
F2.5AMH 0.4 L (0.42 US qt,
0.35 Imp.qt)
F4BMH 0.6 L (0.63 US qt,
0.53 Imp.qt)
F5AMH 0.6 L (0.63 US qt,
0.53 Imp.qt)
F6CMH 0.6 L (0.63 US qt,
0.53 Imp.qt)
If oil grades listed under Recommended en-
gine oil grade 1 are not available, select an al-
ternative oil
Recommended engine oil grade 2.
grade listed under