Troubles

STARTS HARD

1. Spark plugs in bad condition or have improper gap or are partially fouled.

2. Spark plug cables in bad condition and leaking.

3. Battery nearly discharged.

4. Loose wire connection at one of the battery terminals or at coil.

5. Carburetor controls not adjusted correctly.

6. Defective ignition coil.

7. Engine and transmission oil too heavy (winter operation).

8. Timing advance weight sticking in advanced position (1979 and earlier).

9. Ignition not timed properly.

10. Gasoline tank cap bent or plugged, or carburetor fuel line closed off restricting fuel flow.

11. Water or dirt in fuel system and carburetor.

12. Choke disc stuck in open position.

13. Air leak at intake manifold.

STARTS BUT RUNS IRREGULARLY OR MISSES

1. Spark plugs in bad condition or partially fouled.

2. Spark plug cables in bad condition and leaking.

3. Spark plug gap too close or too wide.

4. Defective ignition coil.

5. Defective ignition module, or sensor.

6. Battery nearly discharged.

7. Damaged wire or loose connection at one of bat tery terminals or coil.

8. Intermittent short circuit due to damaged wire in sulation.

9. Water or dirt in fuel system and carburetor or filter.

10. Gasoline tank cap vent plugged or carburetor venl line closed off.

11. Carburetor controls misadjusted.

12. Weak or broken valve springs.

lis. Air leaK at intaKe manitoia or air cleaner.

14. Damaged intake or exhaust valve.

15. Incorrect valve timing.

A SPARK PLUG FOULS REPEATEDLY

1. Incorrect spark plug for the kind of service.

2. Piston rings badly worn or broken.

3. Fuel mixture too rich (see carburetor trouble chart).

4. Valve guides badly worn.

PRE-IGNITION OR DETONATION (Knocks or Pings)

1. Excessive carbon deposit on piston head or in combustion chamber.

2. Incorrect spark plug for the kind of service.

3. Defective spark plugs.

4. Ignition timing advanced.

5. Fuel octane rating too low.

OVERHEATING

1. Insufficient oil supply, or oil not circulating.

2. Leaking valves.

3. Heavy carbon deposit.

4. Ignition timing retarded.

5. Low power — timing advance weights sticking in retarded position (1979 and earlier).

✓ALVE TRAIN NOISE

1. Low pressure caused by oil feed pump not functioning properly or oil screen obstructed.

2. Hydraulic tappets not adjusted properly.

3. Defective hydraulic tappets.

4. Bent push rod.

5. Cam or cam gears worn.

6. Rocker arm binding on shaft.

7. Valve sticking in guide.

8. Excessive cold oil pressure.

EXCESSIVE VIBRATION

1. Upper mounting bracket loose or broken or im properly spaced.

2. Lower mounting bolts loose.

3. Broken frame.

4. Front chain badly worn or links tight as a result of insufficient lubrication.

5. Transmission and/or transmission sub-mounting plate loose in chassis.

6. Wheels and/or tires defective.

7. Internal engine problem.

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

Get My Free Ebook


Post a comment