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How to Determine Starter Rotation

TECH TIPS
How To Determine The Correct Starter Rotation
Engine Rotation Viewed From The Flywheel End
This is not very common on
today’s marine engines. This
is the opposite rotation of
automotive engines.
This is the most common
engine rotation found on
today’s marine engines.
This is the same rotation as
automotive engines. Use these
charts to determine the correct
starter rotation needed.
Another way to determine the starter rotation is to
inspect the chamfer on the starter drive gear. The
bevel will always be on the trailing edge.
Clockwise Rotation
Worn Out Battery
Batteries cause more trouble than
any other component in a marine
electrical system.
Loose Connections
Be sure to check all the terminals
and connections and make sure
they are clean and tight.
Incorrect Wiring
Incorrect wiring can cause burnouts.
Always tag the wires when removing
an electrical component. If you are
not sure how to connect the wires
call our technical department toll
free at 800-722-2720.
High Resistance
This is a very common problem
found in marine electrical systems.
Corrosion, undersized wire, or bad
connections will cause low voltage to
the electrical components. Low voltage
causes high heat and will destroy
electrical devices. Be sure to check
for voltage drops.
Loose Battery Clamps
Cable terminals must be tight. If the
ends of the clamps touch at the top,
disconnect the cable clamps and shave
the ends of the clamp jaws with a file
so there is a gap.
Important Check Points
Important Check Points
Counter Clockwise Rotation
Right Hand Engine Rotation
Always make sure the battery
is completely charged and load tested
before replacing other components.
Left Hand Engine Rotation