Mercury 50 Operator's Manual

MAINTENANCE
51
7. Flo‑Torq I Drive Hub Propellers ‑ Install forward thrust hub, propeller, propeller nut retainer and propeller
nut onto the shaft.
ob00379
a
b
c
d
a - Propeller nut
b - Propeller nut retainer
c - Propeller
d - Forward thrust hub
8. Flo‑Torq II Drive Hub Propellers ‑ Install forward thrust hub, propeller, replaceable drive sleeve, rear thrust
hub, propeller nut retainer and propeller nut onto the shaft.
a
b
d
e
f
c
ob00380
a - Propeller nut
b - Propeller nut retainer
c - Rear thrust hub
d - Replaceable drive sleeve
e - Propeller
f - Forward thrust hub
9. Place propeller nut retainer over pins. Place a block of wood between gearcase and propeller and tighten
propeller nut to specifications.
Description Nm lb. in. lb. ft.
Propeller nut 75 55
10. Align flat sides of the propeller nut with tabs on the propeller nut retainer. Secure propeller nut by bending
tabs up and against the flats on the propeller nut.
ob00381
b
a
b
a
a - Pins b - Tabs
11. Reinstall spark plug leads.

Mercury 50 Specifications

General

Horsepower	50 hp
Cylinders	3
Steering	Remote
Starting	Electric
Displacement	995 cc
Fuel Induction System	EFI (Electronic Fuel Injection)
Alternator Output	18 amp
Shaft Length	20" / 508 mm
Dry Weight	112 kg
Engine Type	4-Stroke