
Propeller Selection
IMPORTANT: The installed propellers must allow the engine to reach engine
rated speed (RPM) with the boat fully loaded to maximum capacity. Use the
VesselView display to verify engine RPM.
It is the responsibility of the boat manufacturer or the selling dealer to equip the
engine with the correct propellers. Refer to the engine information data tag
located on the engine for the specified engine rated speed (RPM).
If full throttle engine RPM is below the engine rated speed (RPM), the
propellers will have to be changed to prevent loss of performance and possible
engine damage.
After initial propeller selection, certain issues may require a propeller with a
lower pitch. They include:
•
Operating with increased load (additional passengers or gear)
•
Shifting the center of gravity of the vessel
•
The addition of towers or canvas
•
Fouling of the hull and running gear
•
High ambient temperatures
•
Operating at high elevation
It is the responsibility of the boat owner to ensure that the correct propellers are
installed at delivery and maintained over the life of the boat. Because of the
many variables of boat design, only testing will determine the best propeller for
a particular boat. If the engine is not able to reach the engine rated speed
(RPM), contact your boatbuilder, boat dealer, or an authorized Mercury repair
facility for assistance in propeller selection.
IMPORTANT: The propellers must be replaced as a matched pair.
To view the entire product offering and find the correct propeller that is best
suited for your application, visit www.mercmarinepropellers.com or see your
local authorized Mercury dealer.
Outboard Remote Control Models
The outboard must be equipped with a Mercury remote control designed for
digital throttle and shift. Start‑in‑gear protection is provided by the remote
control system.
Lanyard Stop Switch
The purpose of a lanyard stop switch is to turn off the engine when the operator
moves far enough away from the operator's position (as in accidental ejection
from the operator's position) to activate the switch. Tiller handle outboards and
some remote control units are equipped with a lanyard stop switch. A lanyard
stop switch can be installed as an accessory ‑ generally on the dashboard or
side adjacent to the operator's position.
A decal near the lanyard stop switch is a visual reminder for the operator to
attach the lanyard to their personal flotation device (PFD) or wrist.
GENERAL INFORMATION
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