{"product_id":"yoshimura-spark-arrester-kit-rs-12-muffler-1-500-sa-21-k","title":"Yoshimura SPARK ARRESTER KIT RS-12 Muffler, 1.500\" (SA-21-K)","description":"\u003cdiv class=\"trd trd--yoshimura\"\u003e\n\u003csection class=\"trd-hero\"\u003e\u003cp class=\"trd-eyebrow\"\u003eYoshimura · RS-12\u003c\/p\u003e\n\u003ch2 class=\"trd-headline\"\u003eUSFS-Approved Spark Arrester for RS-12 Mufflers\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe Yoshimura Spark Arrester Kit RS-12 Muffler, 1.500\" is a replacement service part created specifically for the Yoshimura RS-12 series muffler. It is a USFS approved spark arrester designed to add spark arresting capability to select dirt bike applications listed in the fitment table.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eBuilt around Yoshimura’s PTF (Precision Taper Fit), this kit is intended to make installation and removal straightforward while maintaining a purpose-built fit for the RS-12 muffler. It is designed and made in Chino California USA, and includes the spark arrester insert, an end-cap collar, and a set screw.\u003c\/p\u003e\n\u003cul class=\"trd-chips\"\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003ePart Number\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eSA-21-K\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eSeries\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eRS-12\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eFits\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eHonda CRF250R \/ CRF250RX \/ CRF450R \/ CRF450R-S \/ CRF450RX; Husqvarna FC250 \/ FC250-Factory-Edition \/ FC350 \/ FC450 \/ FX350; Kawasaki KX250F \/ KX250X \/ KX450X; KTM 250SX-F \/ 250SX-F-FACTORY-EDITION \/ 250XC-F \/ 350SX-F \/ 350XC-F \/ 450SX-F \/ 450SX-F-FACTORY-EDITION; Triumph TF250 \/ TF450 \/ TF450-C \/ TF450-E \/ TF450-X; Yamaha YZ450F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003cdiv class=\"trd-cards trd-cards--3\"\u003e\n\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eEngineering\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eUSFS Approved Design\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThis spark arrester kit is USFS approved and engineered specifically for the Yoshimura RS-12 muffler.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eFitment\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003ePTF Taper Fit\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eYoshimura builds this kit around PTF (Precision Taper Fit) to help simplify service. The taper-fit approach is designed for easier installation and removal, making it a practical choice when adding or maintaining a spark arrester insert on an RS-12 muffler.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eSound\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eComplete Insert Kit\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThe kit is supplied as a ready-to-install package with the key components needed for the RS-12 muffler setup: 1 x Spark Arrester Insert, 1 x End-cap collar, and 1 x Set screw. It is positioned within Yoshimura’s Replacement Service Parts lineup for straightforward replacement and upkeep.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003csection class=\"trd-story\"\u003e\u003cfigure class=\"trd-story-media\"\u003e\u003cimg class=\"trd-story-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-sa-21-k-rs12-main.jpg?v=1792280944\u0026amp;width=1400\" alt='Yoshimura SPARK ARRESTER KIT RS-12 Muffler, 1.500\" (SA-21-K) – Purpose-Built for RS-12' width=\"1400\" height=\"933\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eFitment\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003ePurpose-Built for RS-12\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eDesigned specifically for the RS-12 series muffler, this Yoshimura spark arrester kit focuses on proper integration with the muffler it was made for. Rather than a one-size approach, it targets select dirt bike applications and is intended to be used where an RS-12 muffler is fitted. Confirm the exact application using the fitment table on the page.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-story trd-story--text\"\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eInstallation\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eInstallation and Service\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eServiceability is central to this kit’s design. Yoshimura’s PTF (Precision Taper Fit) is intended to make the spark arrester easier to install and remove, which can help when it’s time for inspection or replacement. An installation PDF is provided on the product page for additional guidance during setup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-story trd-story--text\"\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eDevelopment\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eDesigned and Made in California\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eYoshimura reports this spark arrester kit is proudly designed and made in Chino California USA. As part of the Replacement Service Parts product line for the RS-12 series, it is aimed at riders who want a manufacturer-developed component matched to the RS-12 muffler’s intended configuration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--specs\"\u003e\u003ch2 class=\"trd-section-title\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table trd-table--specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eSA-21-K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eYoshimura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct Line\u003c\/th\u003e\n\u003ctd\u003eReplacement Service Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eRS-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e00840025911895\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--fitment\"\u003e\u003ch2 class=\"trd-section-title\"\u003eFitment\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eMake\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eModel Years\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF250R\u003c\/td\u003e\n\u003ctd\u003e2022–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF250RX\u003c\/td\u003e\n\u003ctd\u003e2023–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450R\u003c\/td\u003e\n\u003ctd\u003e2021–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450R-S\u003c\/td\u003e\n\u003ctd\u003e2023–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450RX\u003c\/td\u003e\n\u003ctd\u003e2021–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eFC250\u003c\/td\u003e\n\u003ctd\u003e2023–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eFC250-Factory-Edition\u003c\/td\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eFC350\u003c\/td\u003e\n\u003ctd\u003e2023–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eFC450\u003c\/td\u003e\n\u003ctd\u003e2023–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eFX350\u003c\/td\u003e\n\u003ctd\u003e2023–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKX250F\u003c\/td\u003e\n\u003ctd\u003e2021–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKX250X\u003c\/td\u003e\n\u003ctd\u003e2021–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKX450X\u003c\/td\u003e\n\u003ctd\u003e2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e250SX-F\u003c\/td\u003e\n\u003ctd\u003e2023–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e250SX-F-FACTORY-EDITION\u003c\/td\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e250XC-F\u003c\/td\u003e\n\u003ctd\u003e2023–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e350SX-F\u003c\/td\u003e\n\u003ctd\u003e2023–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e350XC-F\u003c\/td\u003e\n\u003ctd\u003e2023–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e450SX-F\u003c\/td\u003e\n\u003ctd\u003e2023–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e450SX-F-FACTORY-EDITION\u003c\/td\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTriumph\u003c\/td\u003e\n\u003ctd\u003eTF250\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTriumph\u003c\/td\u003e\n\u003ctd\u003eTF450\u003c\/td\u003e\n\u003ctd\u003e2025–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTriumph\u003c\/td\u003e\n\u003ctd\u003eTF450-C\u003c\/td\u003e\n\u003ctd\u003e2025–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTriumph\u003c\/td\u003e\n\u003ctd\u003eTF450-E\u003c\/td\u003e\n\u003ctd\u003e2025–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTriumph\u003c\/td\u003e\n\u003ctd\u003eTF450-X\u003c\/td\u003e\n\u003ctd\u003e2025–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003e2026–2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"trd-caption\"\u003eFitment as listed by Yoshimura for part number SA-21-K.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--docs\"\u003e\u003ch2 class=\"trd-section-title\"\u003eInstallation \u0026amp; Documents\u003c\/h2\u003e\n\u003cp class=\"trd-docs\"\u003e\u003ca class=\"trd-button\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-sa-21-k-installation-manual.pdf?v=1792280940\" target=\"_blank\" rel=\"noopener\"\u003eInstructions \/ What's Included (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"trd-caption\"\u003eProvided by Yoshimura. Opens in a new tab.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":68080842080407,"sku":"SA-21-K","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-sa-21-k-rs12-main.jpg?v=1792280944","url":"https:\/\/allamericanktm.com\/products\/yoshimura-spark-arrester-kit-rs-12-muffler-1-500-sa-21-k","provider":"All American KTM","version":"1.0","type":"link"}