![]() Most spark plugs come pre-gapped, so make sure you buy one that meets your bike’s specifications. A correct gap prevents misfires and improves efficiency. the space between the center electrode and the protruding ground electrode. Make sure you get a spark plug with the correct gap (i.e. Different engines may have specific needs for heat range or how far a spark plug projects into the combustion chamber. When shopping for spark plugs, make sure they are appropriate for your particular model. ![]() What should I look for in a motorcycle spark plug? Platinum isn’t as expensive as iridium but still offer good durability because platinum doesn’t wear as quickly as copper. If cost is an issue, platinum plugs may be a good compromise. Where standard OEM spark plugs need to be changed every 15,000 miles or so, iridium-tipped spark plugs typically have a service life of 40,000 miles or more. If you hear loud popping sounds, then your spark plugs may be producing an intermittent spark.Īn even more obvious sign is if your engine just won’t start at all. If your engine doesn’t seem to have its normal rhythm, then your spark plug may not be arcing at the right time. How do you know if your motorcycle spark plugs have gone bad?Ĭommon signs of a bad spark plug include misfiring or backfiring. However, if you start experiencing engine issues, it may be a good idea to inspect your spark plugs to see if they need replacement. Most modern motorcycles can go about 15,000 miles before needing new spark plugs, but check the maintenance schedule in your owner’s manual to make sure what the recommended intervals are. Keep in mind that spark plugs tend to be model specific, so be sure to check your motorcycle’s manual to learn what size, heat range, and, most importantly, the gap size between electrodes.Ĭheck Price How often should you change spark plugs on a motorcycle? We’ve put together a list of some of the top motorcycle spark plugs below. ![]() That being said, spark plugs are relatively inexpensive compared to other upgrades you can make, and the longevity of iridium spark plugs may make up for the extra cost over time. Iridium tips are even more durable, but also more expensive. Modern spark plugs still use a copper core, but the center electrodes are tipped with platinum which runs hotter and last longer. ![]() Better quality spark plugs can improve starting power, engine performance and fuel economy. Still, there are reasons why upgrading from a healthy stock spark plug can be a good idea. These technological advances mean these are the best motorcycle spark plugs ever manufactured, and we benefit in several ways when it’s time to upgrade. With improvements such as electronic fuel injection, cleaner burning fuels and more exotic metals such as iridium and platinum, modern spark plugs can last much longer than they used to, with service life stretching to 80,000 miles or more. There was a time when spark plugs required constant maintenance or replacement. ![]()
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