{"product_id":"hayden-primary-chain-tensioner-sportsters-39-1203","title":"Hayden Primary Chain Tensioner - Sportsters — Harley-Davidson Sportster 1200 Custom, Sportster 883, Sportster 883 Hugger (1972-2026)","description":"\u003cp\u003eHayden primary chain tensioner for Sportster V-twin engines, automatically maintains chain tension during acceleration and deceleration to eliminate slack and chatter. Keeps the primary chain properly seated for smoother shifting and a noticeably quieter drivetrain.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatically adjusts primary chain tension\u003c\/li\u003e\n  \u003cli\u003eReduces chain slack during acceleration and deceleration\u003c\/li\u003e\n  \u003cli\u003eSmoother shifts with eliminated \"clunk\"\u003c\/li\u003e\n  \u003cli\u003eQuieter primary drive operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hayden\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e M6-XL4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4.45 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.25 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.9862 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles including Harley-Davidson Sportster models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does a primary chain tensioner do?\u003c\/h3\u003e\n\u003cp\u003eIt automatically keeps tension on the primary chain during acceleration and deceleration, eliminating slack and reducing drivetrain noise and wear.\u003c\/p\u003e\n\u003ch3\u003eWill this stop my transmission from clunking?\u003c\/h3\u003e\n\u003cp\u003eYes — proper chain tension eliminates the \"clunk\" on shifts by keeping the chain seated and reducing slack between sprockets.\u003c\/p\u003e\n\u003ch3\u003eIs installation difficult?\u003c\/h3\u003e\n\u003cp\u003eInstallation varies by model. Consult your service manual or a qualified mechanic for your specific Sportster year and model.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit all Sportster models?\u003c\/h3\u003e\n\u003cp\u003eThis tensioner is designed for V-twin Sportsters. Verify compatibility with your specific model year before ordering.\u003c\/p\u003e","brand":"Hayden","offers":[{"title":"Default Title","offer_id":53035043422319,"sku":"39-1203","price":115.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_83b6f7c3-fd34-441f-a284-1c91869c07e1.png?v=1779560252","url":"https:\/\/vtwinbikers.com\/products\/hayden-primary-chain-tensioner-sportsters-39-1203","provider":"Vtwinbikers","version":"1.0","type":"link"}