{"product_id":"6k8-81960-a0-00-regulator-rectifier-for-yamaha-sj650-wj500-wj500s-wr500-jlm-marine","title":"6K8-81960-A0-00 Regulator Rectifier for Yamaha SJ650 WJ500 WJ500S WR500 | JLM Marine","description":"\u003ch2\u003eRegulator Rectifier – Fits Yamaha SJ650, WJ500, WJ500S, WR500 | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket \u003cstrong\u003eRegulator Rectifier\u003c\/strong\u003e is designed for Yamaha personal watercraft models including the \u003cstrong\u003eSJ650 Super Jet (1997)\u003c\/strong\u003e, \u003cstrong\u003eWJ500 Wave Jammer 500 (1987–1990)\u003c\/strong\u003e, \u003cstrong\u003eWJ500S (1997)\u003c\/strong\u003e, and \u003cstrong\u003eWR500 Wave Runner (1987–1990, 1997)\u003c\/strong\u003e. Engineered to meet OE specifications, this unit ensures reliable voltage regulation and rectification for your electrical system.\u003c\/p\u003e\n\n\u003cp\u003eThis regulator rectifier directly replaces OEM part numbers \u003cstrong\u003e6K8-81960-A0-00\u003c\/strong\u003e and \u003cstrong\u003e6K8-81960A0\u003c\/strong\u003e, providing a cost-effective solution for restoring charging system performance. Each component is meticulously selected to ensure a seamless replacement process and dependable operation.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDirect fit for multiple Yamaha personal watercraft models from 1987–1997\u003c\/li\u003e\n\u003cli\u003eReplaces OEM part numbers 6K8-81960-A0-00 and 6K8-81960A0\u003c\/li\u003e\n\u003cli\u003ePackage includes complete regulator rectifier assembly ready for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6K8-81960-A0-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6K8-81960A0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-serial-number-guide-2025\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-parts-diagrams-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eSJ650 Super Jet\u003c\/td\u003e\n\u003ctd\u003e1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWJ500 Wave Jammer 500\u003c\/td\u003e\n\u003ctd\u003e1987–1990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWJ500S\u003c\/td\u003e\n\u003ctd\u003e1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWR500 Wave Runner\u003c\/td\u003e\n\u003ctd\u003e1987–1990, 1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Number\u003c\/td\u003e\n\u003ctd\u003e6K8-81960-A0-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eRegulator Rectifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eYamaha Personal Watercraft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eThe package includes:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Regulator Rectifier\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAll parts shown in the product images are included to ensure a complete replacement.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect the battery:\u003c\/strong\u003e Remove the negative terminal first to prevent electrical shorts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocate the existing regulator rectifier:\u003c\/strong\u003e It is typically mounted near the engine or electrical box on your watercraft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect the wiring harness:\u003c\/strong\u003e Carefully unplug the connector from the old regulator rectifier, noting the orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove mounting hardware:\u003c\/strong\u003e Unbolt or unscrew the old unit from its mounting bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the new regulator rectifier:\u003c\/strong\u003e Position the new unit in place and secure with the original mounting hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReconnect the wiring harness:\u003c\/strong\u003e Plug the connector into the new regulator rectifier, ensuring a secure fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck all connections:\u003c\/strong\u003e Verify that all electrical connections are tight and properly seated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReconnect the battery:\u003c\/strong\u003e Attach the positive terminal first, then the negative terminal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest the system:\u003c\/strong\u003e Start the engine and check that the charging system is functioning properly with no warning lights.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this regulator rectifier fits my Yamaha watercraft?\u003c\/strong\u003e\u003cbr\u003e\nA: Check the compatibility table above to verify your model and year. Compare the OEM part number (6K8-81960-A0-00 or 6K8-81960A0) with your original part to ensure a match.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my regulator rectifier is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include battery not charging, battery overcharging (getting hot), dimming lights, electrical system failure, or difficulty starting after the engine has been running.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the regulator rectifier?\u003c\/strong\u003e\u003cbr\u003e\nA: Regulator rectifiers typically last many years under normal conditions. Replace it when you experience charging system issues or as part of troubleshooting electrical problems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this myself or do I need a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: If you have basic mechanical skills and electrical knowledge, installation is straightforward. However, professional installation is recommended to ensure proper function and avoid electrical system damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981024133433,"sku":"24RR331","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/24RR331.webp?v=1772448045","url":"https:\/\/jlmmarine.com\/es\/products\/6k8-81960-a0-00-regulator-rectifier-for-yamaha-sj650-wj500-wj500s-wr500-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}