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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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