{"product_id":"c-d-i-unit-replaces-bd3-h5504-30-00-by-yamaha-bd3-h5504-20-00","title":"C.D.I. Unit by Yamaha","description":"\u003cdiv style=\"font-family: Arial; font-size: 12pt;\"\u003e\n\u003ch2\u003eYamaha UTV\/ATV \u0026amp; Side by Side CDI Ignition - Available at buywitchdoctors.com\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications: Genuine OEM Yamaha C.D.I. Unit, Part # BD3-H5504-20-00.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eKeep your machine running like new with a genuine Yamaha CDI Ignition paired with premium maintenance parts from buywitchdoctors.com. The CDI (capacitor discharge ignition) unit is the electronic module that stores a charge and releases it at precisely the right moment to fire the ignition coil, controlling spark timing so the engine starts easily and runs smoothly across the rev range. Because it is a sealed electronic part that lives with vibration, heat, and moisture, a healthy CDI is essential for dependable starts, steady power, and a clean idle. Riders most often replace a CDI ignition after a no-spark or no-start condition, intermittent starting or cutting out, misfiring or backfiring, a rev limiter that hits too early or not at all, stalling when warm, weak or inconsistent spark, moisture or corrosion in the connector, or damage from a rollover, a wiring fault, or a hard trail impact.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Genuine OEM Yamaha Parts?\u003c\/h3\u003e\n\u003cp\u003eChoosing original equipment manufacturer (OEM) parts ensures your vehicle maintains its factory-standard performance, reliability, and fuel efficiency. Genuine parts eliminate the guesswork of aftermarket alternatives, offering a seamless integration with your engine's configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact-Fit Design:\u003c\/strong\u003e Matched to Yamaha's original bolt patterns, sealing surfaces, and dimensions for a leak-resistant fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Spec Quality:\u003c\/strong\u003e Built to the same standards as the parts installed on your machine at the factory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind:\u003c\/strong\u003e Skip the trial and error of universal or aftermarket parts that may not seal or align correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Precision Engineering\u003c\/h3\u003e\n\u003cp\u003eCrafted to strict factory tolerances, these components utilize high-grade alloys and chemical-resistant seals. This specialized engineering withstands harsh off-road vibrations, extreme temperatures, and modern fuel additives, preventing premature wear and leaks. The CDI ignition uses a sealed, vibration-resistant housing with protected circuitry and corrosion-resistant connector terminals programmed with your engine's timing curve, so it delivers accurate, consistent spark timing and keeps communicating reliably through heat, moisture, and constant trail shaking.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Model Fitment (2015-Current)\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM part is engineered for a wide range of Yamaha side-by-side (SxS) and all-terrain vehicles (ATV) built from 2015 to the current model year. Please verify your series matches below:\u003c\/p\u003e\n\u003ch3\u003eUtility Task Vehicles (UTVs \/ Side-by-Sides)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-viking-parts\" target=\"_blank\" title=\"Direct Link to all Viking Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eViking Series\u003c\/a\u003e:\u003c\/strong\u003e Viking 700 EPS, Viking 700 Ranch Edition, Viking VI EPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-wolverine-parts\" target=\"_blank\" title=\"Direct Link to all Wolverine Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eWolverine Series\u003c\/a\u003e:\u003c\/strong\u003e Wolverine R-Spec, Wolverine X2 850, Wolverine X4 850, Wolverine X2 1000, Wolverine RMAX2 1000 (Sport, XT-R, Limited), Wolverine RMAX4 1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-yxz-parts\" target=\"_blank\" title=\"Direct Link to all YXZ Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eYXZ Series\u003c\/a\u003e:\u003c\/strong\u003e YXZ1000R, YXZ1000R SS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAll-Terrain Vehicles (ATVs)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-yfz-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all YFZ Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eYFZ Series\u003c\/a\u003e: \u003c\/strong\u003eYFZ50\u003cstrong\u003e, \u003c\/strong\u003eYFZ450R, YFZ450R SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-raptor-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Raptor Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eRaptor Series\u003c\/a\u003e:\u003c\/strong\u003e Raptor 90, Raptor 110, Raptor 700, Raptor 700R, Raptor 700R SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-grizzly-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Grizzly Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eGrizzly Series\u003c\/a\u003e:\u003c\/strong\u003e Grizzly 90, Grizzly 110, Grizzly 700 EPS, Grizzly 700 SE, Grizzly 700 XT-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-kodiak-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Kodiak Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eKodiak Series\u003c\/a\u003e:\u003c\/strong\u003e Kodiak 450, Kodiak 450 EPS, Kodiak 700, Kodiak 700 EPS, Kodiak 700 SE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eIMPORTANT DISCLAIMER:\u003c\/strong\u003e Fitment can vary by production date and sub-model trim. Always verify your exact original equipment part number from your vehicle's schematic or consult a certified technician before finalizing your purchase to guarantee flawless compatibility.\u003c\/p\u003e\n\u003ch3\u003eOther Popular Parts \u0026amp; Secondary Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-ignition?product_type\/Ignition-Coil\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Ignition Coil sold at buywitchdoctors.com\" rel=\"noopener\"\u003eIgnition Coil\u003c\/a\u003e:\u003c\/strong\u003e The ignition coil turns the CDI's pulse into the high-voltage spark that lights the fuel. If you have a misfire or weak spark, test the coil along with the CDI before deciding which part has failed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-ignition?product_type\/Spark-Plug\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Spark Plug sold at buywitchdoctors.com\" rel=\"noopener\"\u003eSpark Plug\u003c\/a\u003e Wires:\u003c\/strong\u003e Spark plug wires and caps carry the high-voltage spark from the coil to the plug. Replace cracked, brittle, or corroded wires and caps so the spark reaches the plug at full strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-ignition?product_type\/Spark-Plug\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Spark Plug sold at buywitchdoctors.com\" rel=\"noopener\"\u003eSpark Plugs\u003c\/a\u003e:\u003c\/strong\u003e Spark plugs ignite the air and fuel mixture in the cylinder. A fresh plug with the correct gap, per your Yamaha service manual, helps your new CDI deliver easy starts and a smooth idle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-ignition?product_type\/Ignition-Tool\/Shop-By\/Aftermarket\" target=\"_blank\" title=\"Direct Link to All Aftermarket Ignition Tool Sold At Buywitchdoctors.com\" rel=\"noopener\"\u003eIgnition Tools\u003c\/a\u003e:\u003c\/strong\u003e Ignition tools, such as plug sockets, gap gauges, and testers, make it easier to inspect and service the ignition system correctly. Having them on hand helps you pinpoint the real cause of a no-spark problem before replacing parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when my Yamaha CDI ignition needs to be replaced, and how do I confirm the right one for my machine?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include no spark or a no-start, intermittent starting or cutting out, misfiring, backfiring, stalling when warm, a rev limiter that acts up, and corrosion or moisture at the connector. Before replacing it, check the spark plug, plug cap, ignition coil, wiring, connectors, and stator or pickup signals, since these can cause the same symptoms. Because CDI units vary by model, model year, and engine, confirm the correct part and testing procedure using your Yamaha service manual or factory schematic, or contact us with your model and VIN and we will help you match it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do mud, water, sand, and heat affect a CDI ignition on the trail?\u003c\/strong\u003e\u003cbr\u003eA: Moisture is the biggest threat, since water or mud that gets into the connector can cause corrosion, shorts, and erratic spark, while heat and constant vibration can wear on electronics over time. After a wet or muddy ride, avoid aiming a pressure washer at the CDI and its connectors, and check that the connectors are seated, sealed, and free of moisture or green corrosion. Follow your Yamaha service manual for correct mounting, connector sealing, and water-crossing guidance so your CDI stays protected.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-top: auto; margin-bottom: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP: \u003c\/span\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/yamaha-oem-vs-aftermarket-parts-comparison\" title=\"Direct link to Buywitchdoctors.com blog about Yamaha OEM vs. Aftermarket Parts: Are Factory Components Best for Your Trail Riding?\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan\u003e\u003cspan style=\"color: blue;\"\u003eLearn More about Yamaha OEM vs. Aftermarket Parts\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-top: auto; margin-bottom: auto; line-height: normal;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e \u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/how-to-inspect-replace-utv-spark-plugs-and-wires\" rel=\"noopener\" title=\"Direct link to Buywitchdoctors.com blog about How to Inspect \u0026amp; Replace UTV\/ATV Spark Plugs and Wires\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan style=\"color: blue;\"\u003eHow to Inspect \u0026amp; Replace UTV\/ATV Spark Plugs and Wires\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"tab-stops: center 3.25in;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e\u003c\/b\u003e \u003cb\u003eLearn the \u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/signs-of-a-failing-cdi-ignition-module-how-to-diagnose-fix-it\" title=\"Direct link to buywitchdoctors.com blog about Signs of a Failing CDI Ignition Module? How to Diagnose \u0026amp; Fix It\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: blue;\"\u003eS\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/signs-of-a-failing-cdi-ignition-module-how-to-diagnose-fix-it\" rel=\"noopener\" title=\"Direct link to buywitchdoctors.com blog about Signs of a Failing CDI Ignition Module? How to Diagnose \u0026amp; Fix It\" target=\"_blank\"\u003e\u003cspan style=\"color: blue;\"\u003eigns of a Failing CDI Ignition Module\u003c\/span\u003e\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cstrong\u003eUpgrade Your Ride's Ignition System Performance Today\u003c\/strong\u003e\u003cbr\u003eA factory-fit CDI ignition keeps spark timing accurate for easy starts, smooth idle, and dependable power on every ride. Complete your ignition service with a matching ignition coil, spark plug wires, spark plugs, and ignition tools so your whole system fires strong, stays sealed, and stays trail-ready. Order your genuine Yamaha replacement components today from \u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/find-all-yamaha-off-road-utv-atv-parts?Shop-By\/OEM\" title=\"Direct Link to the Collection of All Yamaha OEM ATV \u0026amp; UTV Parts \u0026amp; Accessories Available at BuyWitchdoctors.com.\" rel=\"noopener\" target=\"_blank\"\u003ebuywitchdoctors.com\u003c\/a\u003e and experience top-tier off-road performance!\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eAre You Looking to Find Great Places \u0026amp; Adventurous Trails to Ride Your UTV, Side by Side or ATV? Check out these highly recommended places:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/northernoutdoors.com\" title=\"Direct Link to Northern Outdoors ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eNorthern Outdoors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.blm.gov\/visit\/imperial-sand-dunes\" title=\"Direct Link to Imperial Sand Dunes ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eImperial Sand Dunes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/blm.gov\/visit\/johnson-valley-ohv-area\" title=\"Direct Link to Johnson Valley ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eJohnson Valley OHV Area\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/mycountyparks.com\" title=\"Direct Link to Gypsum City ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eGypsum City OHV Park\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leatherwoodoffroad.com\" title=\"Direct Link to Leatherwood ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eLeatherwood Off-Road Park\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Off Road Express","offers":[{"title":"Default Title","offer_id":50521904218174,"sku":"BD3-H5504-20-00","price":486.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/2502\/5349\/files\/Yamaha_OEM-Part-Number_BD3-H5504-20-00_1c1d6251-3bf5-4d97-b497-a790e3405066.png?v=1790274205","url":"https:\/\/buywitchdoctors.com\/products\/c-d-i-unit-replaces-bd3-h5504-30-00-by-yamaha-bd3-h5504-20-00","provider":"Witchdoctors","version":"1.0","type":"link"}