{"product_id":"6g1-81970-61-regulator-rectifier-for-yamaha-jlm-marine","title":"6G1-81970-61 Regulator Rectifier for Yamaha | JLM Marine","description":"\u003ch2\u003eRegulator Rectifier for Yamaha Outboard Engines – 6G1-81970-61\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket regulator rectifier is designed as a direct replacement for Yamaha outboard engines ranging from 6HP to 70HP across multiple models including F9.9C, F15A, and E60H. Engineered to OEM specifications, this rectifier ensures reliable voltage regulation and charging system performance for your marine engine.\u003c\/p\u003e\n\n\u003cp\u003eThis unit directly replaces Yamaha OEM part numbers \u003cstrong\u003e6G1-81970-61\u003c\/strong\u003e, \u003cstrong\u003e6G1-81970-62\u003c\/strong\u003e, \u003cstrong\u003e6G1-81870-00\u003c\/strong\u003e, and \u003cstrong\u003e6G1-87970-60\u003c\/strong\u003e, providing broad compatibility across Yamaha's outboard lineup from 1984 to 2001.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eConstructed from high-quality ABS material for corrosion resistance and durability in marine environments\u003c\/li\u003e\n\u003cli\u003ePrecision-manufactured to deliver high reliability and consistent performance\u003c\/li\u003e\n\u003cli\u003eSimple installation with no specialized tools required\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\u003e6G1-81970-61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-81970-62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-81870-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-87970-60\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\u003eRated HP\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\u003eF9.9C\u003c\/td\u003e\n\u003ctd\u003e9.9HP\u003c\/td\u003e\n\u003ctd\u003e1984-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF15A\u003c\/td\u003e\n\u003ctd\u003e15HP\u003c\/td\u003e\n\u003ctd\u003e1984-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e6HP\u003c\/td\u003e\n\u003ctd\u003e1984-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e8HP\u003c\/td\u003e\n\u003ctd\u003e1984-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e25HP\u003c\/td\u003e\n\u003ctd\u003e1984-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e30HP\u003c\/td\u003e\n\u003ctd\u003e1984-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eE60H\u003c\/td\u003e\n\u003ctd\u003e60HP\u003c\/td\u003e\n\u003ctd\u003e1984-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e70HP\u003c\/td\u003e\n\u003ctd\u003e1984-2001\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\u003eCondition\u003c\/td\u003e\n\u003ctd\u003e100% Brand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Type\u003c\/td\u003e\n\u003ctd\u003eRectifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 30 x 40 x 25mm (1.18 x 1.57 x 0.98 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutboard Engine Part Number\u003c\/td\u003e\n\u003ctd\u003e6G1-81970-61, 6G1-81970-62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eFit for 25-70HP 1984-2001\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\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e1 x Regulator Rectifier\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003eDisconnect the negative battery cable to ensure safety during installation.\u003c\/li\u003e\n\u003cli\u003eLocate the existing regulator rectifier on your Yamaha outboard engine, typically mounted near the engine block or electrical components.\u003c\/li\u003e\n\u003cli\u003eCarefully disconnect the wire harness connectors from the old rectifier. Note the wire positions or take a photo for reference.\u003c\/li\u003e\n\u003cli\u003eRemove the mounting bolts securing the old rectifier to the engine using an appropriate socket or wrench.\u003c\/li\u003e\n\u003cli\u003eClean the mounting surface to ensure proper contact and heat dissipation for the new unit.\u003c\/li\u003e\n\u003cli\u003ePosition the new regulator rectifier in place and secure it with the mounting bolts, tightening to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003eReconnect the wire harness connectors to the new rectifier, ensuring each connector is firmly seated and matches your reference.\u003c\/li\u003e\n\u003cli\u003eApply dielectric grease to the connections to protect against moisture and corrosion in the marine environment.\u003c\/li\u003e\n\u003cli\u003eReconnect the negative battery cable.\u003c\/li\u003e\n\u003cli\u003eStart the engine and verify proper charging system operation using a multimeter to check voltage output (typically 13.5-14.5V at idle).\u003c\/li\u003e\n\u003cli\u003eInspect all connections for security and ensure no wires are pinched or exposed.\u003c\/li\u003e\n\u003cli\u003eTest the engine under normal operating conditions and monitor for any electrical issues.\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 rectifier fits my Yamaha engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify that your engine model and year match the compatibility table above. Cross-reference your existing part number with the OEM numbers listed (6G1-81970-61, 6G1-81970-62, 6G1-81870-00, or 6G1-87970-60). You can also check your engine's parts diagram using the Yamaha catalog link provided.\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 a dead or weak battery after running the engine, erratic voltage output, difficulty starting, flickering lights or gauges, or a burning smell from the electrical system. Use a multimeter to test voltage output; readings below 13V or above 15V at normal RPM indicate rectifier issues.\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 several years but should be inspected annually as part of routine maintenance. Replace immediately if you experience charging system problems or notice physical damage such as corrosion, melted connectors, or burnt components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Will this aftermarket rectifier perform the same as the original Yamaha part?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, this rectifier is manufactured to OEM specifications with comparable-grade materials. It provides equivalent voltage regulation and charging performance while offering a cost-effective alternative to the OEM component.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this rectifier myself or do I need a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: Installation is straightforward and requires only basic hand tools and mechanical knowledge. However, if you're unfamiliar with marine electrical systems or uncomfortable working with charging components, professional installation is recommended to ensure proper function and safety.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part or 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":51981004800313,"sku":"23RR151","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_5dfe00be-fdfd-4b4c-8a91-b669f17034a1.jpg?v=1772414370","url":"https:\/\/jlmmarine.com\/es\/products\/6g1-81970-61-regulator-rectifier-for-yamaha-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}