Suzuki DL1000 Service Manual page 385

Complaint
Engine runs poorly in Defective air flow system
high speed range.
Defective control circuit or sensor
10. Throttle position sensor out of adjustment.
11. Defective secondary throttle position sensor and/or
Engine lacks power. Defective engine internal/electrical parts
10. Clogged air cleaner element.
11. Imbalanced throttle valve synchronization.
12. Sucking air from throttle valve or vacuum hose.
13. Too much engine oil.
14. Defective fuel pump or ECM.
15. Defective crankshaft position sensor and ignition coil.
Defective control circuit or sensor
10. Imbalanced throttle valve synchronization.
11. Throttle position sensor out of adjustment.
12. Defective secondary throttle position sensor and/or
Symptom and possible causes
1. Clogged air cleaner element.
2. Defective throttle valve.
3. Defective secondary throttle valve.
4. Sucking air from throttle body joint.
5. Defective ECM.
6. Imbalanced throttle valve synchronization.
1. Low fuel pressure.
2. Defective throttle position sensor.
3. Defective intake air temp. sensor.
4. Defective camshaft position sensor.
5. Defective crankshaft position sensor.
6. Defective gear position switch.
7. Defective intake air pressure sensor.
8. Defective atmospheric pressure sensor.
9. Defective ECM.
secondary throttle valve actuator.
1. Loss of tappet clearance.
2. Weakened valve springs.
3. Valve timing out of adjustment.
4. Worn piston rings or cylinders.
5. Poor seating of valves.
6. Fouled spark plug.
7. Incorrect spark plug.
8. Clogged injector.
9. Throttle position sensor out of adjustment.
1. Low fuel pressure.
2. Defective throttle position sensor.
3. Defective intake air temp. sensor.
4. Defective camshaft position sensor.
5. Defective crankshaft position sensor.
6. Defective gear position switch.
7. Defective intake air pressure sensor.
8. Defective atmospheric pressure sensor.
9. Defective ECM.
secondary throttle valve actuator.
SERVICING INFORMATION
Remedy
Clean or replace.
Adjust or replace.
Adjust or replace.
Repair or replace.
Replace.
Adjust.
Repair or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Adjust.
Replace.
Adjust.
Replace.
Adjust.
Replace.
Repair.
Clean or replace.
Adjust or replace.
Clean.
Adjust.
Clean.
Adjust.
Retighten or replace.
Drain out excess oil.
Replace.
Replace.
Repair or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Adjust.
Adjust.
Replace.
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