Yamaha F250 LF250 Automobile User Manual


 
Maintenance
57
5. Check that the tilt rod and trim rods are
free of corrosion or other flaws.
6. Activate the tilt-down switch until the trim
rods have retracted completely into the
cylinders.
7. Activate the trim-up switch until the tilt rod
is fully extended. Unlock the tilt support
lever.
8. Tilt the outboard motor down. Check that
the tilt rod and trim rods operate smooth-
ly.
NOTE:
Consult your Yamaha dealer if any operation
is abnormal.
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.
Checkpoints
Check each of the propeller blades for
wear, erosion from cavitation or ventilation,
or other damage.
Check the propeller shaft for damage.
ZMU01941
ZMU01897
U6P212E0.book Page 57 Monday, June 6, 2005 4:23 PM