{"product_id":"688-85540-16-cdi-unit-assembly-for-yamaha-90-etl-xl-c75-tlr-e75-mlh-75a-em-h-d-tl-80a-emtol-ul-c85-tlr-cv85-etl-85a-etdl-x-90-tl-xlr-90a-etol-xl-jlm-marine","title":"688-85540-16 CDI Unit Assembly for Yamaha 90 ETL\/XL C75 TLR E75 MLH 75A E(M\/H\/D\/T)L 80A E(M)TOL\/UL C85 TLR CV85 ETL 85A ET(D)L\/X 90 TL\/XLR 90A ETOL\/XL | JLM Marine","description":"\u003ch2\u003eCDI Unit Assembly – Fits Yamaha 75HP–90HP Outboards (1984–1996)\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket CDI Unit Assembly is engineered to replace OEM part numbers 688-85540-15 and 688-85540-16 for Yamaha outboard engines ranging from 75HP to 90HP across multiple model series produced between 1984 and 1996. Designed to deliver reliable ignition performance, this CDI box provides the precise energy needed to ignite fuel and stabilize the flame, ensuring smooth engine operation across a wide range of conditions.\u003c\/p\u003e\n\n\u003cp\u003eThis unit is a \u003cstrong\u003edirect replacement\u003c\/strong\u003e for Yamaha part numbers \u003cstrong\u003e688-85540-15\u003c\/strong\u003e and \u003cstrong\u003e688-85540-16\u003c\/strong\u003e, offering broad compatibility with C75, E75, 75A, 80A, C85, CV85, 85A, and 90\/90A series engines. Built from durable plastic materials and equipped with plug-and-play connectors, it ensures straightforward installation with low heat generation and reduced power consumption.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play design:\u003c\/strong\u003e Pre-wired connectors for direct installation without modifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow heat \u0026amp; power consumption:\u003c\/strong\u003e Engineered for efficient, reliable ignition performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e High-quality plastic housing ensures long-lasting durability in marine environments\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 sources.\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 OEM\u003c\/td\u003e\n\u003ctd\u003e688-85540-15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha OEM\u003c\/td\u003e\n\u003ctd\u003e688-85540-16\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\u003e90 ETL\/XL\u003c\/td\u003e\n\u003ctd\u003e90HP\u003c\/td\u003e\n\u003ctd\u003e1984–1987\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC75 TLR\u003c\/td\u003e\n\u003ctd\u003e75HP\u003c\/td\u003e\n\u003ctd\u003e1994–1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eE75 MLH\u003c\/td\u003e\n\u003ctd\u003e75HP\u003c\/td\u003e\n\u003ctd\u003e1995–1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e75A E(M\/H\/D\/T)L\u003c\/td\u003e\n\u003ctd\u003e75HP\u003c\/td\u003e\n\u003ctd\u003e1990–1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e80A E(M)TOL\/UL\u003c\/td\u003e\n\u003ctd\u003e80HP\u003c\/td\u003e\n\u003ctd\u003e1988–1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC85 TLR\u003c\/td\u003e\n\u003ctd\u003e85HP\u003c\/td\u003e\n\u003ctd\u003e1991–1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eCV85 ETL\u003c\/td\u003e\n\u003ctd\u003e85HP\u003c\/td\u003e\n\u003ctd\u003e1989–1990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e85A ET(D)L\/X\u003c\/td\u003e\n\u003ctd\u003e85HP\u003c\/td\u003e\n\u003ctd\u003e1990–1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e90 TL\/XLR\u003c\/td\u003e\n\u003ctd\u003e90HP\u003c\/td\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e90 ETL\/XL\u003c\/td\u003e\n\u003ctd\u003e90HP\u003c\/td\u003e\n\u003ctd\u003e1988–1990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e90A ETOL\/XL\u003c\/td\u003e\n\u003ctd\u003e90HP\u003c\/td\u003e\n\u003ctd\u003e1988–1991\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\u003e688-85540-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-strength plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eCDI ignition control unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003ePlug-and-play connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Generation\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLow\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\u003eYour package includes:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × CDI Igniter Unit Assembly\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eThe package contains all components shown in the product images.\u003c\/em\u003e\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 Always disconnect the negative terminal before working on the ignition system to prevent electrical shock or accidental sparking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocate the existing CDI unit:\u003c\/strong\u003e Refer to your engine's service manual or wiring diagram to identify the CDI box mounting location.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect the wiring harness:\u003c\/strong\u003e Carefully unplug all connectors from the old CDI unit. Note the orientation and position of each connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the mounting hardware:\u003c\/strong\u003e Unscrew or unclip the old CDI unit from its bracket or mounting surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the new CDI unit:\u003c\/strong\u003e Position the replacement unit in the same location and secure it with the original mounting hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReconnect all connectors:\u003c\/strong\u003e Plug each connector into the corresponding terminal on the new CDI unit, ensuring a firm, secure fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReconnect the battery:\u003c\/strong\u003e Reattach the negative battery terminal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest engine operation:\u003c\/strong\u003e Start the engine and verify smooth idle, acceleration, and overall ignition performance. If issues persist, recheck all connections.\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 CDI unit fits my Yamaha engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine model and year with the compatibility table above. Also verify that your current CDI unit has part number 688-85540-15 or 688-85540-16 stamped on its casing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my CDI unit is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include difficulty starting, misfiring, rough idle, loss of power at high RPM, or the engine cutting out intermittently. If ignition coils and spark plugs are in good condition but problems persist, the CDI may be faulty.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the CDI unit?\u003c\/strong\u003e\u003cbr\u003e\nA: CDI units typically last many years under normal operating conditions. Replace only when you experience ignition failure or erratic performance that cannot be traced to spark plugs, coils, or wiring issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this CDI unit myself?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, installation is straightforward with basic hand tools and a plug-and-play design. However, if you are unfamiliar with marine electrical systems, professional installation is recommended to ensure safety and proper function.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket part?\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":51981010895161,"sku":"24CD380","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/S968dc03f9704430eb4b3dea9cf62f17fI.jpg_200x200_1854489e-b08f-4a02-94bc-79ff5fbd126f.webp?v=1772414578","url":"https:\/\/jlmmarine.com\/ru\/products\/688-85540-16-cdi-unit-assembly-for-yamaha-90-etl-xl-c75-tlr-e75-mlh-75a-em-h-d-tl-80a-emtol-ul-c85-tlr-cv85-etl-85a-etdl-x-90-tl-xlr-90a-etol-xl-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}