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Mercury L4NA 90 - Propeller Replacement - 31.75 MM (1-1;4 In.) Diameter Propeller Shaft

Mercury L4NA 90
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Propeller Replacement ‑ 31.75 mm (1‑1/4 in.) Diameter Propeller
Shaft
!
WARNING
Rotating propellers can cause serious injury or death. Never operate the boat
out of the water with a propeller installed. Before installing or removing a
propeller, place the drive unit in neutral and engage the lanyard stop switch
to prevent the engine from starting. Place a block of wood between the
propeller blade and the anti‑ventilation plate.
1. Shift the outboard into neutral position.
2. Place a block of wood between the gearcase and the propeller to hold the
propeller and remove the propeller nut.
29592
3. Pull the propeller straight off the shaft. If the propeller is seized to the
shaft and cannot be removed, have the propeller removed by an
authorized dealer.
4. To aid in future removal of the propeller, liberally coat the propeller shaft
splines with one of the following Mercury/Quicksilver products:
Tube Ref
No.
Description Where Used Part No.
Extreme Grease Propeller shaft splines 8M0071842
95
2-4-C with PTFE Propeller shaft splines 92-802859A 1
NOTE: Propellers used on the 31.75 mm (1‑1/4 in.) diameter propeller shaft
require the heavy‑duty propeller hub kit.
MAINTENANCE
eng 101

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