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Mercury 50 4-Stroke User Manual

Mercury 50 4-Stroke
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MAINTENANCE
72
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
28528
2. Remove the spark plug leads to prevent engine from starting.
26899
3. Straighten the bent tabs on the propeller nut retainer.
26900
4. Place a block of wood between the gearcase and propeller to
keep the propeller from turning. Remove the propeller nut.

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Mercury 50 4-Stroke Specifications

General IconGeneral
Engine Type4-Stroke
Horsepower50 hp
Cylinders3
Starting SystemElectric
SteeringRemote
Displacement747 cc
Fuel Induction SystemEFI
Alternator Amp18 amp
Shaft Length20 in
Full Throttle RPM Range5000-6000 RPM
WOT Range5000-6000 RPM
Fuel Tank CapacityExternal Tank Required

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