TROUBLESHOOTING SERVICE MANUAL NUMBER 23
Page 1C-8
90-861326--1 MARCH 1999
Poor Boat Performance and/or Poor Maneuverability
Symptom Cause
A. Improper drive unit trim angle
B. Improper weight distribution
C. Boat is underpowered
Bow too low
D. Permanent or power hook in boat bot-
tom
E. False bottom full of water
F. Improperly adjusted anode (after
planes)
G. Dirty boat bottom (marine growth)
A. Improper drive unit trim angle
B. Propeller pitch too great
C. Dirty boat bottom (marine growth)
D. Poor running engine
Bow too high
E. Improper weight distribution
F. Rocker in boat bottom
G. False bottom full of water
H. Improperly adjusted anode (after
planes)
A. Drive unit installed too high on transom
B. Dirty or rough boat bottom
C. Damaged propeller; pitch too small;
diameter too small
Propeller ventilating
D. Keel located too close to propeller or
too deep in the water
E. Water pickup or through hull fittings
located too close to propeller
F. Hook in boat bottom
G. Propeller plugged up with weeds
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