When should I change my motorcycle spark plugs?
The spark plugs in the motorcycle should be replaced every 8000 miles to 10,000 miles (13,000 to 16,000 kilometres). In addition, the spark plugs need to be checked every 4000 to 5000 miles (6500 to 8000 kilometres) traveled. Most spark plugs usually have a lifespan of 10,000 miles.
How do you replace spark plugs on a Harley Davidson?
Harley-Davidson® Spark Plugs Replacement. Wear safety glasses and use air to blow away debris. When removing spark plug wires, note location. Remove old plugs. Gap and prep new plugs with high heat copper anti-seize. Install new plus and do not over tighten. Check all your connections and clean as needed.
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 –
Why does my spark plug on my Harley not work?
If the plug has oil on it, then it’s oiling up and may not work efficiently, potentially causing a misfire or stuttering under hard acceleration. If it’s just dark or black the bike could be running too rich. A heavy accumulation of carbon on the nose can cause a leakage path to earth.
Can you use Iridium plugs on a Harley?
Iridium plugs should only be used with electronic ignitions. Visit CV Performance for Harley NGK, Champion, and Autolite spark plugs . Enjoy the Ride!
How to replace spark plugs on Harley Davidson Sportster?
Do not pull from the wire itself. Be careful not to rock the cap back and forth too vigorously, lest you risk breaking the spark plug or cap. Using your 13/16″ spark plug socket, carefully remove the plug by rotating it counterclockwise. The engine should be cool to avoid damage to the threads and possible burns to your hands. Figure 3.
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 are my spark plugs not working on my Harley Davidson?
If the electrodes have worn to the point where the gap becomes too large for the spark to jump or the HT wires have become old and electrically leaky, a misfire can occur, resulting in poor running, stalling, excess emissions and even an inability to start the engine at all. We’ll do the front cylinder first.
How often do you change spark plugs on a Harley Davidson?
Discussion in ‘ General Harley Davidson Topic ‘ started by 67wizard, Jun 27, 2010 . Am wondering how often u change spark plugs. Just turned 20,000 on my 2010 UC. Checked he plugs and they look just tan to white, but look just fine. Think I need to change them?