Table of Contents
What are the symptoms of a bad coil on a motorcycle?
6 Symptoms of an Ignition Coil Failure
- Backfiring. If your vehicle is backfiring, this can indicate early symptoms of an ignition coil failure.
- Starting Problems. Check your high tension leads (HT Leads).
- Fuel Economy.
- Engine Misfiring.
- Vehicle Stalling.
- Coil Failure.
How long do Harley coils last?
100,000 miles
A Harley ignition coil is expected to last up to 100,000 miles if it’s properly maintained and if the spark plugs are replaced before they burn out.
What is high mileage for a Harley Davidson motorcycle?
For larger bikes, 50,000 miles and up is considered high motorcycle mileage. But before you write off any models, consider that a properly maintained bike can last well past 100,000 miles! That’s why it’s important to think about the whole package, rather than motorcycle mileage alone.
How can you tell if a Harley Davidson ignition coil is bad?
Even though the bike is going through an issue with the coil, the engine light will still turn on in the dashboard. If you scan using a diagnostic tool, it will show code ‘P0351’, which refers to primary circuit malfunction. This is the simplest way to troubleshoot the problem.
How does the coil work on a Harley Davidson?
The coil consists of two winding’s of wire, the primary and the secondary. The primary receives 12 volts from the motorcycle and allows voltage to build; transferring voltage to the secondary winding where voltage is increased to thousands of volts and released through the spark plug wires to the spark plug.
How does the coil work in a car?
The coil consists of a primary winding, which receives power from the ignition circuit and is controlled by the crankshaft position sensor, and a secondary winding, which steps up the voltage in the primary windings through mutual induction, and delivers this power to the spark plugs.
Where to place a probe on a spark plug coil?
Place a probe on each of the secondary winding terminals within the spark plug wire towers on the coil. You should have continuity. If the meter fails to indicate continuity, the coil is bad. 3. Place a probe on one of the secondary winding terminals, and the other probe on one of the primary winding terminals.