{"id":11239,"date":"2020-07-10T11:57:39","date_gmt":"2020-07-10T04:57:39","guid":{"rendered":"http:\/\/firstcheckpoint.com\/?p=11239"},"modified":"2023-04-18T06:44:36","modified_gmt":"2023-04-18T04:44:36","slug":"harley-sportster-spark-plugs","status":"publish","type":"post","link":"https:\/\/firstcheckpoint.com\/harley-sportster-spark-plugs\/","title":{"rendered":"Best Spark Plugs For Harley Sportster"},"content":{"rendered":"<p>If you\u2019re looking for spark plugs for a Harley Sportster, you\u2019re in the right place. The Sportster has been around for well over sixty years. It remains one of the most popular choices for Harley Davidson motorcycles to this day.<\/p>\n\n\n\n<p>But what if you need to replace the spark plugs for it? Are the OEM or stock spark plugs not up to par? We\u2019ll be taking a look at three of the best spark plugs that are compatible with this bike.<\/p>\n\n\n\n<p>These spark plugs have been chosen thanks to their overall quality and performance. You\u2019ll want spark plugs that will make starting your bike a breeze so you can go riding long distances or just for a cruise around town.<\/p>\n\n\n\n<p>While there are plenty of options on the market, these three are considered the best among recent buyers. No one can answer the question of \u201cwhat is the best spark plug for a Harley Sportster\u201d better than the market itself. With that said, let\u2019s jump into the list:<\/p>\n\n\n\n<div class=\"wp-block-affiliate-plugin-lasso\"><div id=\"lasso-anchor-id-16946-9018\" class=\"lasso-container\">\n    <!-- LASSO DISPLAY BOX (https:\/\/getlasso.co) -->\n\t<div class=\"lasso-display lasso-splash lasso-url-ngk-iridium-spark-plugs \">\n\n\t\t<!-- BADGE -->\n\t\t\n\t\t<!-- LASSO TITLE, PRICE, DESC, AND IMAGE -->\n\t\t<div class=\"lasso-box-1\">\n\t\t\t<a class=\"lasso-image\" target=\"_blank\" href=\"https:\/\/firstcheckpoint.com\/ngk-iridium-spark-plugs\/\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16946\" data-lasso-name=\"NGK Iridium IX Spark Plug\" title=\"NGK Iridium IX Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/firstcheckpoint.com\/wp-content\/uploads\/2022\/09\/41urcpAyMkL._SL500_.webp\" height=\"500\" width=\"500\" loading=\"lazy\" alt=\"NGK Iridium IX Spark Plug\">\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t<!-- BUTTONS -->\n\t\t<div class=\"lasso-box-2\">\n\t\t\t\t\t\t\t<H3>\t\t\t\t\t\t\t\t\t<a class=\"lasso-title\" target=\"_blank\" href=\"https:\/\/firstcheckpoint.com\/ngk-iridium-spark-plugs\/\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16946\" data-lasso-name=\"NGK Iridium IX Spark Plug\" title=\"NGK Iridium IX Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\t\t\tNGK Iridium IX Spark Plug\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/H3>\t\t\t\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"clear\"><\/div>\n\t\t\t\t\t\t\t<div class=\"lasso-description\">\n\t\t\t\t\t<p>First up is the NGK Iridium IX Spark Plug. If you are looking for an industry leader in spark plugs, this might be one of your best choices. What you\u2019ll notice is that it\u2019s 25 percent smaller than regular electrodes, making it last longer.<\/p><p>This is made from high-quality metals that will not corrode. Further proof that it will rise above most of its competitors when it comes to overall quality. But how well can it do in terms of performance?<\/p><p>For one, the startup and idle will be smooth. Plus, you\u2019ll deal with no fouling. And you get a better throttle response.<\/p><p>When the time comes to replace the electrodes in your Sportster, you\u2019ll need something that will be long-lasting and probably more reliable. Why settle for anything less than what the NGK Iridium IX Spark Plug has to offer?<\/p>\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"lasso-fields\">\n\t\t\t\t\t\t\t\t\t\t\t\n\t<div class=\"lasso-fields-pros lasso-fields-2\">\n\t\t<strong>Pros:<\/strong>\n\t\t<ul><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Excellent quality<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Lasts a really long time<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Made with anti-corrosion metals<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Smooth, easy start-up<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Excellent sounding idle<\/li><\/ul>\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\n\t<div class=\"lasso-fields-cons lasso-fields-3\">\n\t\t<strong>Cons:<\/strong>\n\t\t<ul><li><span class=\"lasso-x\"><span class=\"lasso-x-1\"><\/span><span class=\"lasso-x-2\"><\/span><\/span>Some claim the plugs are not pre-gapped<\/li><\/ul>\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<a class=\"lasso-button-1\" target=\"_blank\" href=\"https:\/\/firstcheckpoint.com\/ngk-iridium-spark-plugs\/\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16946\" data-lasso-name=\"NGK Iridium IX Spark Plug\" title=\"NGK Iridium IX Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\tCheck Price\t\t\t<\/a>\n\n\t\t\t\t\t\t\t<a class=\"lasso-button-2\" target=\"_blank\" href=\"https:\/\/www.amazon.com\/dp\/B003BUCNNS?tag=fst-sportster-spark-plugs-20\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16946\" data-lasso-name=\"NGK Iridium IX Spark Plug\" title=\"NGK Iridium IX Spark Plug\" data-lasso-button=\"2\" rel=\"nofollow noopener\">\n\t\t\t\t\tCheck Stock\t\t\t\t<\/a>\n\t\t\t\t\t\t\n\n\t\t\t<div class=\"lasso-end\">\n\t\t\t\t\t\t\t\t\t<div class=\"lasso-disclosure\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"lasso-date\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-affiliate-plugin-lasso\"><div id=\"lasso-anchor-id-16645-9019\" class=\"lasso-container\">\n    <!-- LASSO DISPLAY BOX (https:\/\/getlasso.co) -->\n\t<div class=\"lasso-display lasso-splash lasso-url-amzn-denso-3426-fk20hr-11-iridium-long-life-spark-plug-pack-of-1 \">\n\n\t\t<!-- BADGE -->\n\t\t\n\t\t<!-- LASSO TITLE, PRICE, DESC, AND IMAGE -->\n\t\t<div class=\"lasso-box-1\">\n\t\t\t<a class=\"lasso-image\" target=\"_blank\" href=\"https:\/\/www.amazon.com\/dp\/B002FOF1QW?tag=fcp04-20\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16645\" data-lasso-name=\"Denso Iridium Spark Plug\" title=\"Denso Iridium Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/firstcheckpoint.com\/wp-content\/uploads\/2022\/09\/41guc7lH3KL._SL500_.webp\" height=\"500\" width=\"500\" loading=\"lazy\" alt=\"Denso Iridium Spark Plug\">\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t<!-- BUTTONS -->\n\t\t<div class=\"lasso-box-2\">\n\t\t\t\t\t\t\t<H3>\t\t\t\t\t\t\t\t\t<a class=\"lasso-title\" target=\"_blank\" href=\"https:\/\/www.amazon.com\/dp\/B002FOF1QW?tag=fcp04-20\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16645\" data-lasso-name=\"Denso Iridium Spark Plug\" title=\"Denso Iridium Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\t\t\tDenso Iridium Spark Plug\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/H3>\t\t\t\n\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"lasso-price\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"lasso-amazon-prime\"><\/i>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"clear\"><\/div>\n\t\t\t\t\t\t\t<div class=\"lasso-description\">\n\t\t\t\t\t<p>Next, we\u2019ll be taking a look at the Denso Iridium Spark Plug. These are obviously a step up from the stock spark plugs that the Harley factory includes in their bikes. But nevertheless, they are reliable and can last a long time.<\/p><p>The Denso is considerably smaller in size, thus adding on to the likelihood that they can stand a better chance of a longer life span compared to regular-sized electrodes. Performance-wise, it can handle a lot of heat and won\u2019t melt so easily. Simply put, these spark plugs are tough customers.<\/p><p>You\u2019ll get a smooth start, a calmer idle, and a Harley Sportster that will run as if you just bought it today. If you have a Harley Sportster that might be running a bit rough as of late, it might be time to replace the spark plugs. The Denso Iridium Spark Plugs will definitely be an excellent choice if you want something that will be next to impossible to damage, but can deliver a performance like no other.<\/p>\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"lasso-fields\">\n\t\t\t\t\t\t\t\t\t\t\t\n\t<div class=\"lasso-fields-pros lasso-fields-2\">\n\t\t<strong>Pros:<\/strong>\n\t\t<ul><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Easy to install<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Can last a really long time<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Can handle the high heat very easily<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Helps you start your Harley Sportster with ease<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Pre-gapped<\/li><\/ul>\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<a class=\"lasso-button-1\" target=\"_blank\" href=\"https:\/\/www.amazon.com\/dp\/B002FOF1QW?tag=fcp04-20\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16645\" data-lasso-name=\"Denso Iridium Spark Plug\" title=\"Denso Iridium Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\tCheck Price\t\t\t<\/a>\n\n\t\t\t\t\t\t\n\n\t\t\t<div class=\"lasso-end\">\n\t\t\t\t\t\t\t\t\t<div class=\"lasso-disclosure\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"lasso-date\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-affiliate-plugin-lasso\"><div id=\"lasso-anchor-id-16622-9020\" class=\"lasso-container\">\n    <!-- LASSO DISPLAY BOX (https:\/\/getlasso.co) -->\n\t<div class=\"lasso-display lasso-splash lasso-url-amzn-autolite-xs4164dp-xtreme-sport-iridium-powersports-spark-plug \">\n\n\t\t<!-- BADGE -->\n\t\t\n\t\t<!-- LASSO TITLE, PRICE, DESC, AND IMAGE -->\n\t\t<div class=\"lasso-box-1\">\n\t\t\t<a class=\"lasso-image\" target=\"_blank\" href=\"https:\/\/www.amazon.com\/dp\/B0022ZUHM2?tag=fcp04-20\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16622\" data-lasso-name=\"Autolite XS4161 Iridium Spark Plug\" title=\"Autolite XS4161 Iridium Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/firstcheckpoint.com\/wp-content\/uploads\/2022\/09\/51g1V45ynSL._SL500_.webp\" height=\"500\" width=\"500\" loading=\"lazy\" alt=\"Autolite XS4161 Iridium Spark Plug\">\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t<!-- BUTTONS -->\n\t\t<div class=\"lasso-box-2\">\n\t\t\t\t\t\t\t<H3>\t\t\t\t\t\t\t\t\t<a class=\"lasso-title\" target=\"_blank\" href=\"https:\/\/www.amazon.com\/dp\/B0022ZUHM2?tag=fcp04-20\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16622\" data-lasso-name=\"Autolite XS4161 Iridium Spark Plug\" title=\"Autolite XS4161 Iridium Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\t\t\tAutolite XS4161 Iridium Spark Plug\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/H3>\t\t\t\n\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"lasso-price\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"lasso-amazon-prime\"><\/i>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"clear\"><\/div>\n\t\t\t\t\t\t\t<div class=\"lasso-description\">\n\t\t\t\t\t<p>Lastly, we\u2019ll be taking a look at the Autolite XS4161 Iridium Spark Plugs. These will be a good choice if you are looking for a budget option. They\u2019ll fit for a Harley Sportster, but they can also be a good fit for other sport vehicles as well.<\/p><p>If you are looking for something that\u2019s a step above standard spark plugs, you won\u2019t be disappointed with these. This will help improve your startup by 25 percent and will require less kick starting. This will also be a spark plug that won\u2019t give you any fouling no matter what.<\/p><p>One of its most impressive abilities is that it can handle almost any kind of weather condition. So you\u2019ll have no trouble starting your motorcycle or sport vehicle regardless of the weather. If you want a cold start that is free of any issues, it takes the right kind of spark plug. Let\u2019s not forget&nbsp;<a href=\"https:\/\/firstcheckpoint.com\/best-motorcycle-battery\/\" rel=\"noopener noreferrer\" target=\"_blank\" style=\"background-color: transparent; color: var(--global-palette-highlight);\">a decent motorcycle battery<\/a>&nbsp;to offer the breath of life. Or if you want to be more specific to Harley Davidson machines, check out this&nbsp;<a href=\"https:\/\/firstcheckpoint.com\/best-harley-battery\/\" rel=\"noopener noreferrer\" target=\"_blank\" style=\"background-color: transparent; color: var(--global-palette-highlight);\">Harley battery review<\/a>&nbsp;we recently wrote.<\/p><p>The Autolite is undeniably&nbsp;<a href=\"https:\/\/firstcheckpoint.com\/best-motorcycle-spark-plug\/\" rel=\"noopener noreferrer\" target=\"_blank\" style=\"background-color: transparent; color: var(--global-palette-highlight);\">one of the best motorcycle spark plugs<\/a>&nbsp;you can find if you\u2019re worried about compatibility. It can work with a wide variety of makes and models. Name the sport vehicle and you have a spark plug that will give you a better, reliable start every time.<\/p>\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t<div class=\"lasso-fields\">\n\t\t\t\t\t\t\t\t\t\t\t\n\t<div class=\"lasso-fields-pros lasso-fields-2\">\n\t\t<strong>Pros:<\/strong>\n\t\t<ul><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Can fit most sports vehicles<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Easy to install<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Will work in almost any weather condition<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Affordable for most budgets<\/li><li><span class=\"lasso-check\"><span class=\"lasso-check-content\"><\/span><\/span>Pre-gapped for most vehicles<\/li><\/ul>\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\n\t<div class=\"lasso-fields-cons lasso-fields-3\">\n\t\t<strong>Cons:<\/strong>\n\t\t<ul><li><span class=\"lasso-x\"><span class=\"lasso-x-1\"><\/span><span class=\"lasso-x-2\"><\/span><\/span>Instructions are unclear about which wrench size you need for install<\/li><li><span class=\"lasso-x\"><span class=\"lasso-x-1\"><\/span><span class=\"lasso-x-2\"><\/span><\/span>Some users were not happy with the packaging<\/li><li><span class=\"lasso-x\"><span class=\"lasso-x-1\"><\/span><span class=\"lasso-x-2\"><\/span><\/span>A few have complained that the quality is cheap<\/li><\/ul>\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<a class=\"lasso-button-1\" target=\"_blank\" href=\"https:\/\/www.amazon.com\/dp\/B0022ZUHM2?tag=fcp04-20\" data-lasso-box-trackable=\"true\" data-lasso-id=\"16622\" data-lasso-name=\"Autolite XS4161 Iridium Spark Plug\" title=\"Autolite XS4161 Iridium Spark Plug\" rel=\"nofollow noopener\">\n\t\t\t\tCheck Price\t\t\t<\/a>\n\n\t\t\t\t\t\t\n\n\t\t\t<div class=\"lasso-end\">\n\t\t\t\t\t\t\t\t\t<div class=\"lasso-disclosure\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"lasso-date\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Last Checkpoint<\/h2>\n\n\n\n<p>We have two choices if we had to choose a spark plug that would be great for your Harley Sportster. The first one we highly recommend is the <a aria-label=\"undefined (opens in a new tab)\" data-lasso-id=\"5805\" data-lasso-name=\"Denso Iridium Spark Plug\" href=\"https:\/\/www.amazon.com\/Denso-FK20HR-11-Iridium-Long-Spark\/dp\/B002FOF1QW\/ref=as_li_ss_tl?tag=fst-sportster-spark-plugs-20\" target=\"_blank\" rel=\"nofollow noopener\">Denso Iridium Spark Plugs<\/a>. There are plenty of positive qualities that this spark plug has.<\/p>\n\n\n\n<p>For one, it\u2019s perhaps one of the toughest of the bunch. It also has the potential to last a long time since it can handle high temperatures to where the spark plugs never melt or become useless due to overheating. Simply put, it edges out the others when it comes to longevity and durability.<\/p>\n\n\n\n<p>If you are in search of a budget option, obviously <a href=\"https:\/\/www.amazon.com\/Autolite-XS4164DP-Xtreme-Iridium-Powersports\/dp\/B0022ZUHM2\/ref=as_li_ss_tl?tag=fst-sportster-spark-plugs-20\" aria-label=\"undefined (opens in a new tab)\" rel=\"nofollow noopener\" target=\"_blank\" data-lasso-id=\"5806\" data-lasso-name=\"Autolite XS4161 Iridium Spark Plug\">Autolite XS4161 Iridium Plugs<\/a>. As mentioned earlier, they are fitting for most sporting vehicles including the Harley Sportster. One of the best qualities that it has is the ability to cold start in almost any temperature imaginable. It\u2019s no wonder why it\u2019s designed to fit snowmobiles and motorcycles.<\/p>\n\n\n\n<p>Even for the price it\u2019s going for, the quality and performance is quite impressive. If you are looking for a spark plug that will be an easy choice when you don\u2019t want to spend money on a spark plug, the option could not be any clearer.<\/p>\n\n\n\n<p>Related Upgrades For Your HD Sportster:\u00a0<a href=\"https:\/\/firstcheckpoint.com\/best-shocks-for-harley-davidson-motorcycles\/\" target=\"_blank\" rel=\"noopener\" data-lasso-id=\"9181\">Best Shocks For Harley Sportster<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Fire up your beast with a spark of life. With so many spark plugs on the market, you might question whether they actually make a difference. Well, try one of these spark plugs in your Harley Sportster and let us know what you think!.<\/p>\n","protected":false},"author":1,"featured_media":11240,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[177],"tags":[187,120,116],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Best Spark Plugs For Harley Sportster (2024) - First Checkpoint<\/title>\n<meta name=\"description\" content=\"With so many spark plugs on the market you might be wondering if there is such a thing as the best spark plugs for a your Harley Sportster. Try these out!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/firstcheckpoint.com\/harley-sportster-spark-plugs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Best Spark Plugs For Harley Sportster (2024) - First Checkpoint\" \/>\n<meta property=\"og:description\" content=\"With so many spark plugs on the market you might be wondering if there is such a thing as the best spark plugs for a your Harley Sportster. 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