{"product_id":"yoshimura-spark-arrester-kit-rs-12-muffler-1-375-sa-20-k","title":"Yoshimura SPARK ARRESTER KIT RS-12 Muffler, 1.375\" (SA-20-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\"\u003eRS-12 Spark Arrester Kit for Select Off-Road Mufflers\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe Yoshimura SPARK ARRESTER KIT RS-12 Muffler, 1.375\" (SA-20-K) is a replacement USFS approved spark arrester insert kit designed for Yoshimura RS-12 off-road mufflers. It is intended for riders who need to replace a worn or missing spark arrester, or add one as an optional setup on certain applications that were not originally equipped with a spark arrester.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eFitment spans multiple models including select GasGas, Honda, Husqvarna, KTM, and Yamaha motorcycles listed in the fitment table below. To ensure the correct application, Yoshimura notes that the insert chart should be used to confirm fitment for a specific setup.\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-20-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\"\u003eGasGas EX-250F \/ EX-350F \/ MC-250F \/ MC-350F; Honda CRF300L \/ CRF300L-Rally; Husqvarna FC250 \/ FC350; KTM 250SX-F \/ 250XC-F \/ 350SX-F \/ 350XC-F; Yamaha WR250F \/ YZ250F \/ YZ250FX \/ 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\u003ch3 class=\"trd-card-title\"\u003eUSFS Approved Replacement\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eBuilt as a replacement USFS approved spark arrester for Yoshimura RS-12 off-road mufflers, this kit is aimed at restoring the correct spark arrester configuration when servicing an RS-12 system used in off-road environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003ch3 class=\"trd-card-title\"\u003eOptional Arrester Upgrade\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eFor applications not originally equipped with a spark arrester, Yoshimura lists this kit as an optional spark arrester solution. Application should be verified using the insert chart before purchase to confirm correct fitment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/article\u003e\u003carticle class=\"trd-card\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003ch3 class=\"trd-card-title\"\u003eComplete Insert Kit\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThe SA-20-K kit includes the spark arrester insert along with the end-cap collar and a set screw. These components are provided together to support a straightforward replacement or addition on compatible RS-12 muffler setups.\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-20-k-rs12-main.jpg?v=1792280901\u0026amp;width=1400\" alt='Yoshimura SPARK ARRESTER KIT RS-12 Muffler, 1.375\" (SA-20-K) – Fitment and Verification' 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\"\u003eFitment and Verification\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eCompatibility depends on the exact application, so the listed make, model, and year ranges should be confirmed using the fitment table on the page. Yoshimura also recommends referencing the insert chart to confirm fitment for a specific application before installation, helping ensure the correct match for the intended RS-12 muffler 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\"\u003eInstallation\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eInstallation Reference Available\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eAn installation PDF is provided on the product page to support proper setup. Since this kit includes the insert, end-cap collar, and set screw, using the installation document can help verify the correct assembly sequence and hardware placement for the compatible RS-12 off-road muffler applications.\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-20-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\u003e00840025910546\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\u003eGasGas\u003c\/td\u003e\n\u003ctd\u003eEX-250F\u003c\/td\u003e\n\u003ctd\u003e2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGasGas\u003c\/td\u003e\n\u003ctd\u003eEX-350F\u003c\/td\u003e\n\u003ctd\u003e2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGasGas\u003c\/td\u003e\n\u003ctd\u003eMC-250F\u003c\/td\u003e\n\u003ctd\u003e2021–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGasGas\u003c\/td\u003e\n\u003ctd\u003eMC-350F\u003c\/td\u003e\n\u003ctd\u003e2022–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF300L\u003c\/td\u003e\n\u003ctd\u003e2021–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF300L-Rally\u003c\/td\u003e\n\u003ctd\u003e2021–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eFC250\u003c\/td\u003e\n\u003ctd\u003e2019–2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eFC350\u003c\/td\u003e\n\u003ctd\u003e2019–2022\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\u003e2019–2022\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\u003e2019–2020\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\u003e2019–2022\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\u003e2019–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWR250F\u003c\/td\u003e\n\u003ctd\u003e2020–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250F\u003c\/td\u003e\n\u003ctd\u003e2019–2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250FX\u003c\/td\u003e\n\u003ctd\u003e2020–2023\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-20-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-20-k-installation-manual.pdf?v=1792280897\" 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":68080841883799,"sku":"SA-20-K","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/yoshimura-sa-20-k-rs12-main.jpg?v=1792280901","url":"https:\/\/allamericanktm.com\/products\/yoshimura-spark-arrester-kit-rs-12-muffler-1-375-sa-20-k","provider":"All American KTM","version":"1.0","type":"link"}