Mercury 50 4-Stroke - Propeller Replacement - 87.3 MM (3 - 7;16 In.) Diameter Gearcase

MAINTENANCE
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Propeller Replacement ‑ 87.3 mm (3 ‑ 7/16 in.)
Diameter Gearcase
!
WARNING
Rotating the propeller shaft may cause the engine to crank over
and start. To prevent this type of accidental engine starting and
possible serious injury caused from being struck by a rotating
propeller, always turn the ignition key or lanyard stop switch to
the "OFF" position and remove the spark plug leads from the
spark plugs while servicing.
1. Shift the outboard to the neutral ("N") position.
N
N
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2. Remove the spark plug leads to prevent engine from starting.
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3. Straighten the bent tabs on the propeller nut retainer.
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4. Place a block of wood between the gearcase and propeller to
keep the propeller from turning. Remove the propeller nut.