79
Trouble Check Chart
– Continued
SYMPTOM
POSSIBLE CAUSE
ACTION
Engine vibrates
Propeller condition
Check for bent, broken, or damaged
propeller Check for weeds on propeller
or sterndrive gearcase. Check for bent
propeller shaft.
Unit injector
See your STEYR MOTORS Marine
dealer.
Engine runs but boat makes
little or no progress
Fouled propeller etc.
Check:
1. Propeller for weeds, remove as
required.
2. Propeller for spun hub, repair or
replace.
3. Hull for excessive marine growth,
clean as required.
Performance loss
1. System error or failure
Check: using diagnostics for errors
or limitations. Engine coolant
temperature; audible and or visual
alarms.
2. Boat overloaded
Reduce load.
3. Boat trim
Distribute boat load evenly. Adjust trim.
4. Excessive water in bilge
Drain bilge.
5. Boat hull condition
See your STEYR MOTORS Marine
dealer.
6. Improper propeller selection
Select proper propeller pitch and
diameter.
7. Fuel incorrect
Fill tank with correct fuel. Check fuel
filter and fuel flow condition.
8. Throttle not fully open
Check throttle command lever for full
travel.
9. Overheating
Check cooling system. Remove debris
from water intake. Check belt tension.
Check condition of impeller.
Check for clogged heat exchanger
tubing (in raw water circuit).
10. Air intake troubles
Check intake air filter.
Check ventilation of engine compartment.
Excessive free play in steering
wheel
Steering cable loose
See your STEYR MOTORS Marine
dealer.
High shift effort
1. Remote control or transom bracket
shift cable
Replace and adjust.
See your STEYR MOTORS Marine
dealer.
2. Remote control binding
See your STEYR MOTORS Marine
dealer.
3. Engine/drive mechanism binding
See your STEYR MOTORS Marine
dealer.
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