Why is one cylinder on a Harley Davidson not firing?
IMO you are correct, by swapping the primary side wires you effectively “switched coils” and the side not firing is now firing so one would conclude the coil (both) are good. aside from making sure wiring is intact I would next start thinking the ignition pickup was bad.
Why does my ignition coil stop working on my Harley Davidson?
The longevity you get from your coil may depend on usage, demand on the coil or environmental conditions. The coil’s capacity may diminish over time, or simply stop functioning at once. If it is determined that your motorcycle has no spark; do not just assume that the problem is your coil.
How does a single fire coil work on a Harley Davidson?
Single fire coils designate spark to only the cylinder that is on the compression stroke. Spark is delivered to one cylinder at a time. Harley Davidson Ignition Coils are known to fail. The longevity you get from your coil may depend on usage, demand on the coil or environmental conditions.
What causes an ignition coil to misfire in a car?
The most common problem when it comes to misfires is the ignition coil. Some vehicles have a separate ignition coil on each spark plug, while some cars have one coil with a sparking cable to each spark plug. Older cars have a distributor and, in some cases, also an ignition coil.
Why does backfiring on a Harley Davidson cause a fire?
Excessive backfiring can also emit small flames from the exhaust, which can cause a fire. Many of the Harley-Davidson’s that have excessive backfiring have bad mileage because the fuel is being wasted. The fuel is supposed to be ignited inside the bike’s combustion chamber.
What makes a GM 4.8L misfire engine stall?
P0306: Cylinder #6 Misfire. P0307: Cylinder #7 Misfire. P0308: Cylinder #8 Misfire. Really bad gas mileage. Lack of Power when you accelerate your van, pickup or SUV. Engine may start, run for a few minutes and stall.
What causes an engine to misfire on all cylinders?
Low fuel pressure will cause a lean mixture in your engine which will result in misfires on all cylinders. If you have trouble codes for misfires on all cylinders, you will want to check your fuel pressure. 5. Injector Problem Another problem, which was more common five years ago, is injector problems.
Can a bad plug cause an Evo cylinder to misfire?
One other thing to check is ur ignition… if it is a dual fire it is possible that it is going bad and intermittently dropping one cylinder. Check/change your plugs…sometimes a bad or cracked plug can cause an intermittent misfire. Have 87 1100 evo and runs ruff like miss fire, higher rpms sounds good but 2 to 3 thousand rpm Sounds like misfire.
What kind of engine does a Harley Davidson have?
Discussion in ‘ Electrical ‘ started by 173ABN, Jul 29, 2013 . My Chopper has a 1999 S&S 96CI engine and is only firing on the rear cylinder I have checked the plugs and the wires they are fine there is no fire coming from one side of the coil.
Is the coil OK on a Harley Davidson?
My thought is that the coil is Ok because its now firing from the other tower looking at the ignition it is a Crane HI-4 single fire race Ignition with adjustment on it. I am hoping that is not the problem because its very $$$$$$$
IMO you are correct, by swapping the primary side wires you effectively “switched coils” and the side not firing is now firing so one would conclude the coil (both) are good. aside from making sure wiring is intact I would next start thinking the ignition pickup was bad.
One other thing to check is ur ignition… if it is a dual fire it is possible that it is going bad and intermittently dropping one cylinder. Check/change your plugs…sometimes a bad or cracked plug can cause an intermittent misfire. Have 87 1100 evo and runs ruff like miss fire, higher rpms sounds good but 2 to 3 thousand rpm Sounds like misfire.
Is the EVO engine good for Harley Davidson?
As others have said the EVO engine was very durable…it was the “revival” of H-D as a company using the funds from AMF.
Discussion in ‘ Electrical ‘ started by 173ABN, Jul 29, 2013 . My Chopper has a 1999 S&S 96CI engine and is only firing on the rear cylinder I have checked the plugs and the wires they are fine there is no fire coming from one side of the coil.