Yamaha F6A Owner's Manual page 58

Operation
ECM00260
CAUTION:
Do not tilt the outboard motor up so that
the cooling water inlet on the lower unit is
above the surface of the water when set-
ting up for and cruising in shallow water.
Otherwise severe damage from overheat-
ing can result.
EMU32740
Procedure
1. Place the gear shift lever in neutral.
2. Place the tilt lock lever in the release/up
position.
52
3. Slightly tilt the outboard motor up. The tilt
support bar will lock automatically, sup-
porting the outboard motor in a partially
raised position.
ZMU02047
NOTE:
This outboard motor has 2 positions for shal-
low water cruising.
4. To return the outboard motor to the nor-
mal running position, place the gear shift
lever in neutral, then place the tilt lock le-
ver in the lock/down position.