Removing The Propeller - Yamaha Z250 Owner's Manual

the main switch to "
move 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 pro-
G
peller when loosening or tightening the
propeller nut. Put a wood block be-
tween the anti-cavitation plate and the
propeller to prevent the propeller from
turning.
Checkpoints
Check each of the propeller blades for
G
wear, erosion from cavitation or ventila-
tion, or other damage.
Check the propeller shaft for damage.
G
Check the splines / shear pin for wear or
G
damage.
Check for fish line tangled around the pro-
G
peller shaft.
" (off) and re-
G
NOTE:
If the shear pin equipped: it is designed to
break if the propeller hits a hard underwater
obstacle to help protect the propeller and
drive mechanism. The propeller will then
spin freely on the shaft. If this happens, the
shear pin must be replaced.
EMU30660
ZMU01896

Removing the propeller

EMU29194
Spline models
1.
2.
ZMU01897
Check the propeller shaft oil seal for dam-
age.
Straighten the cotter pin and pull it out
using a pair of pliers.
Remove the propeller nut, washer, and
spacer (if equipped).
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
Maintenance
1
3
4
5
6
ZMU01898
2
61