Shoot-Thru-Hull Vs. Transom Mounting; Good And Poor Transducer Locations - Lowrance
X91 Installation And Operation Instructions Manual

CAUTION: Clamp the
transducer cable to transom
near the transducer. This will
help prevent the transducer
from entering the boat if it is
knocked off at high speed.
Poor angle
Poor location
Good location
8
Good location