10-6 SERVICING INFORMATION
Complaint
Symptom and possible causes
Remedy
Engine idles poorly.
1. Out of adjustment valve clearance
2. Poor seating of valves
3. Defective valve guides
4. Worn down camshafts
5. Too wide spark plug gaps
6. Defective ignition coil
7. Defective CKP sensor
8. Defective ECM
9. Defective TP sensor
10. Defective fuel pump
11. Imbalanced throttle valve
12. Damaged or cracked vacuum hose
Adjust.
Replace or repair.
Replace.
Replace.
Adjust or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Adjust.
Replace.
Engine stalls easily. Incorrect fuel/air mixture
1. Defective IAP sensor or circuit
2. Clogged fuel filter
3. Defective fuel pump
4. Defective fuel pressure regulator
5. Defective ECT sensor
6. Defective thermostat
7. Defective IAT sensor
8. Damaged or cracked vacuum hose
Improperly working fuel injector
1. Defective fuel injector
2. No injection signal from ECM
3. Open or short circuited wiring connection
4. Defective battery or low battery voltage
Improperly working control circuit or sensors
1. Defective ECM
2. Defective fuel pressure regulator
3. Defective TP sensor
4. Defective IAT sensor
5. Defective CKP sensor
6. Defective ECT sensor
7. Defective fuel pump relay
Improperly working engine internal parts
1. Fouled spark plugs
2. Defective CKP sensor or ECM
3. Clogged fuel hose
4. Out of adjustment valve clearance
Repair or replace.
Clean or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Repair or replace.
Repair or replace.
Replace or recharge.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Clean.
Replace.
Clean.
Adjust.
SA
MP
LE
Summary of Contents for Boulevard M50
Page 1: ...VZ800 9 9 5 0 0 3 8 0 5 0 0 1 E...
Page 42: ...2 26 PERIODIC MAINTENANCE SAMPLE...
Page 413: ...SERVICING INFORMATION 10 25 LUBRICATION POINTS 5 3 mm 2 1 in SAMPLE...
Page 414: ...10 26 SERVICING INFORMATION FUEL TANK INSTALLATION 1 Cut after clamping 2 Frame Inside SAMPLE...
Page 418: ...10 30 SERVICING INFORMATION LEFT SIDE COVER INSTALLATION SAMPLE...
Page 453: ...Prepared by December 2004 Part No 99500 38050 01E Printed in Japan 456 SAMPLE...
Page 454: ......