What to do if one cylinder of a motorcycle is firing?
Note the condition as any damages should be repaired to limit the chance of future issues. The up side is that if 1 cylinder is firing, it would be quite uncommon for there to be an ignition coil issue as there is already a functioning lead going to 1 or more spark plugs. A simple thing to check is the spark plug boot.
Why is my V twin motorcycle only firing on one cylinder?
When a V twin motorcycle is running only on one cylinder, or bikes with 3 or more cylinders with a misfire, it is oftentimes one of two issues: fuel is not being delivered into the combustion chamber, or there is no spark to ignite fuel due to a handful of causes.
Where is the ignition coil on a Harley Davidson?
The primary is the area on the Harley Davidson ignition coil where the wires from the motorcycle’s harness are connected. The secondary of the coil is the area/towers where the spark plug wires plug in. There are two types of coils used on most Harley-Davidsons. Dual fire and single fire.
What does it mean when only one cylinder is working on a Harley?
(Pull both spark plug wires at coil and swap towers) Start the engine. If the rear cylinder is still the only one that is working, the ECM or ignition module is the problem. But if the front cylinder now becomes the one that is working & the rear cylinder is the dead one,,, that tells you the coil is bad.
Note the condition as any damages should be repaired to limit the chance of future issues. The up side is that if 1 cylinder is firing, it would be quite uncommon for there to be an ignition coil issue as there is already a functioning lead going to 1 or more spark plugs. A simple thing to check is the spark plug boot.
How to check ignition coil and ignition module?
To check the ignition coil and ignition module…………….. Connect a test light to chassis ground. Put the other end of the test light on the positive terminal of the coil. Turn the key on. If the test light is not lit, verify you have a good ground.
When a V twin motorcycle is running only on one cylinder, or bikes with 3 or more cylinders with a misfire, it is oftentimes one of two issues: fuel is not being delivered into the combustion chamber, or there is no spark to ignite fuel due to a handful of causes.
What should the resistance be on a Harley Davidson ignition coil?
It is important to use the correct electrical manual for your ride. When testing your Harley Davidson ignition coil you will be testing ohms resistance. You will find that the primary resistance will be a low number; 0.5 to 5 ohms, for example.