How often should you change spark plug wires on a Harley Davidson?
How often do you all change your plug wires? Manual says to change every 3 years regardless of milage.
How to check spark plugs on Harley Davidson Sportster?
Insert a spark tester into the wire and attach the tester to ground. Remove the fuel pump fuse. Refer to the article Fuse Box Information for fuse locations. Crank the engine and watch for spark. If spark is consistently present, the problem most likely lies with the spark plugs and you should continue to Step 2.
How does the ignition coil work on a Harley Davidson Sportster?
The ignition coil on later model Sportsters. The crankshaft position sensor is used to determine the crankshaft’s speed and position. The E.C.M. or ignition module uses this information to correctly time the spark at the spark plug with the piston.
Why is my Harley Davidson Sportster not igniting?
One of the most common sources of electrical problems is the battery. Test the battery’s state of charge and current capacity by reading Step 2 of the article Electrical Diagnostic Guide. If no spark is present at the end of the spark plug wire, the air/fuel mixture cannot ignite.
Why is my spark plug not working on my Harley Davidson?
A spark tester. Spark plugs may not create a spark when the ceramic case is cracked, the electrode tip is broken, or the electrode is worn. If the engine has been running poorly for some time, the plugs may be covered in soot or fuel.
How to test the spark plugs on a Harley Davidson?
To test the spark plug wires: 1 Set your multimeter to read ohms. 2 Place your multimeter probes at each end of the spark plug wire. 3 Measure the spark plug wires resistance level. A normal reading can be between 1 and 20,000 ohms. The reading “OL” stands for open lead and indicates the wire is bad.
What kind of spark plug does a Sportster have?
Harley Spark Plug Cross-Reference Harley Spark Plug Cross-Reference XL Sportster 1000 XL Sportster 900 Shovelhead 1975-1981 Panhead/Shovel 1947-1974 Screamin’ Eagle 2413 EVS13S SH12S ACCEL – – 2410A – AC Delco 42F/42-6FS 42F/42-6FS 44NS/44XLS – Autolite 4123 4265 –
One of the most common sources of electrical problems is the battery. Test the battery’s state of charge and current capacity by reading Step 2 of the article Electrical Diagnostic Guide. If no spark is present at the end of the spark plug wire, the air/fuel mixture cannot ignite.
The ignition coil on later model Sportsters. The crankshaft position sensor is used to determine the crankshaft’s speed and position. The E.C.M. or ignition module uses this information to correctly time the spark at the spark plug with the piston.