Mercury 50 4-Stroke User Manual

MAINTENANCE
74
7. Flo‑Torq I drive hub propellers ‑ Install the forward thrust hub,
propeller, propeller nut retainer, and propeller nut onto the
shaft.
a
b
c
d
26903
a - Propeller nut
b - Propeller nut retainer
c - Propeller
d - Forward thrust hub
8. Flo‑Torq II drive hub propellers ‑ Install the forward thrust hub,
propeller, replaceable drive sleeve, rear thrust hub, propeller
nut retainer, and propeller nut onto the shaft.
a
b
c
d
e
f
26904
a - Propeller nut
b - Propeller nut retainer
c - Rear thrust hub
d - Replaceable drive
sleeve
e - Propeller
f - Forward thrust hub
9. Place the propeller nut retainer over the pins. Place a block of
wood between the gearcase and the propeller and tighten the
propeller nut to the specified torque.
Description Nm lb. in. lb. ft.
Propeller nut 75 55

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