Mercury 40 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 40 Specifications

General

Horsepower	40 hp
Starting System	Electric
Steering	Remote
Fuel Induction System	EFI (Electronic Fuel Injection)
Shaft Length	20"
Full Throttle RPM Range	6000