Mercury Freshwater User Manual

OWNER SERVICE ASSISTANCE
34 eng
Troubleshooting
NOTE: For service information, contact any certified MotorGuide
service center. For a full listing of MotorGuide service centers, go to
www.motorguide.com or contact any Mercury Marine service office.
Symptom Possible Cause Resolution
Loss of power
Weak 12 volt trolling
motor battery
Check 12 volt battery charge.
Recharge or replace battery as
required.
Loose or corroded
battery connections
Inspect battery connections for
cleanliness and tightness.
Propeller is loose,
damaged, or off‑balance
Refer to Removing the
Propeller.
Wiring or electrical
connection faulty
Wire gauge from the battery to
the trolling motor is insufficient.
6 gauge wire is recommended.
Magnets cracked or
chipped
The motor will whine or grind.
Contact service center.
Water intrusion in the
lower unit
Contact service center.
Excessive noise,
vibration
Motor shaft is bent Contact service center.
Propeller is loose,
damaged, or off‑balance
Refer to Removing the
Propeller.
Damaged bearings or
bushings
Contact service center.
Magnets interfering with
armature
Turn off the power and
manually rotate the propeller.
If the propeller does not rotate
freely with a slight magnetic
drag, contact service center.
Magnets cracked or
chipped
The motor will whine or grind.
Contact service center.

Mercury Freshwater Specifications

General

Brand	Mercury
Model	Freshwater
Category	Outboard Motor
Language	English