Tayana -48 Owner's Manual page 90

SOLUTION
（1） Remove objects from propeller, shaft or rudder by
reserving propeller or cutting and pulling away obstruction.
（2） Replace propeller or shaft as necessary
（3） Check engine and shaft alignment. Alignment must be
within 0.003 inch
（4） Have engine tuned by authorized dealer
（5） Replace rudder
（6） Bearing replaced by authorized dealer
（7） Have coupling checked by an authorized dealer
PROBLEM
Poor performance
POSSIBLE CAUSE
（1） Boat is overloaded or weight is badly distributed
（2） Materials wrapped around the propeller
（3） Damaged or use of wrong propeller
（4） Boat hull has marine growth on it or hull is damaged
（5） Excessive bilge water
（6） Engine is misaligned
SOLUTION
（1） Reduce overloaded or distribute load evenly
（2） Run propeller in reverse or cut and pull materials from
propeller
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