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Why Does My Harley-Davidson cuts out then runs fine?

1. Fuel Issues:

- Clogged fuel filter or fuel lines

- Malfunctioning fuel pump

- Faulty fuel injector

- Vacuum leaks in the fuel system

2. Ignition System Problems:

- Worn-out spark plugs

- Faulty ignition coil

- Bad spark plug wires

- Corroded battery terminals

3. Electrical Issues:

- Loose or damaged electrical connections

- Faulty sensors

- Malfunctioning voltage regulator

- Battery issues

4. Engine Problems:

- Insufficient compression

- Worn piston rings

- Faulty valves

- Engine overheating

5. Computer-Related Issues:

- Software glitches in the Electronic Control Module (ECM)

- Faulty wiring harness

- Damaged sensors connected to the ECM

6. Other Mechanical Issues:

- Clogged air filter

- Blocked exhaust system

- Faulty clutch

- Worn drive belt

7. Side-stand Switch:

If the side-stand switch is not working correctly, it can cut off the engine when the motorcycle is in gear and the side-stand is down.

To identify the exact cause, it's best to have a qualified mechanic inspect the motorcycle and perform diagnostic tests to pinpoint the root of the problem.