Garmin 90/140 Owner's Manual page 14

I Y F > I T
NSTALLING OUR ISHFINDER NSTALLING THE RANSDUCER
• DO NOT mount the transducer in the path of the
prop on single-drive boats. The transducer can cause
cavitation that can degrade the boat's performance
Do not mount the transducer behind
and damage the prop. On twin-drive boats, mount
strakes, rivet lines, struts, fittings, water
the transducer between the drives, if possible.
intakes or discharge ports.
Mount the transducer
parallel with the water line.
Make sure the transducer is below
water level when the boat is on plane
at high speed.
Apply marine sealant to all screw threads to prevent
water from seeping into the transom.
8 Fishfinder 90/140 Owner's Manual