Mercury 50 4-Stroke User Manual

MAINTENANCE
75
10.Align the flat sides of the propeller nut with the tabs on the
propeller nut retainer. Secure the propeller nut by bending the
tabs up and against the flats on the propeller nut.
a
b
a
b
26906
a - Pins b - Tabs
11.Reinstall the spark plug leads.
Propeller Replacement ‑ 108 mm (4 ‑ 1/4 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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Mercury 50 4-Stroke Specifications

General

Engine Type	4-Stroke
Horsepower	50 hp
Cylinders	3
Starting System	Electric
Steering	Remote
Displacement	747 cc
Fuel Induction System	EFI
Alternator Amp	18 amp
Shaft Length	20 in
Full Throttle RPM Range	5000-6000 RPM
WOT Range	5000-6000 RPM
Fuel Tank Capacity	External Tank Required