Mercury 25 EFI FourStroke User Manual page 116

2. Remove spark plug leads to prevent engine from starting.
3. Straighten and remove cotter pin.
4. Place a block of wood between gearcase and propeller to
hold propeller and remove propeller nut.
5. Pull propeller straight off shaft. If propeller is seized to the
shaft and cannot be removed, have the propeller removed
by an authorized dealer.
IMPORTANT: To prevent the propeller hub from corroding and
seizing to the propeller shaft (especially in salt water), always
apply a coat of the recommended lubricant to the entire
propeller shaft at the recommended maintenance intervals and
also each time the propeller is removed.
MAINTENANCE
26899
28351
10075
106
eng