{"product_id":"blue-line-ignition-coil-gy6-qmb139-0900-1104","title":"Blue Line Ignition Coil w\/ 18\" Lead :139QMBand GY6 50\/150cc","description":"\u003ch2\u003eReliable Ignition: Blue Line GY6 50\/150cc Ignition Coil\u003c\/h2\u003e\u003cp\u003eRestore your engine’s firing consistency with the \u003cstrong\u003eBlue Line Ignition Coil Assembly\u003c\/strong\u003e. Engineered as a high-quality, OEM-equivalent replacement for the GY6 and 139QMB engine platforms, this coil is the solution for common electrical issues like weak spark, intermittent stalling, or \"no-start\" conditions. Whether you are maintaining a daily commuter or refreshing a project bike, Blue Line provides the factory-level performance you need without the premium price tag.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Assembly:\u003c\/strong\u003e Includes a high-output two-pole coil, a heavily insulated 18-inch spark plug wire, and a reinforced 90-degree spark plug cap for a total ignition overhaul.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended 18\" Plug Wire:\u003c\/strong\u003e The generous lead length provides extra flexibility for custom mounting and ensures compatibility with \"Long Case\" scooters, where the coil is mounted further from the cylinder head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather-Sealed Cap:\u003c\/strong\u003e Features a thick rubber boot at the plug connection to prevent moisture and debris from grounding out your spark in wet riding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Pole Connection:\u003c\/strong\u003e Designed for standard GY6 wiring harnesses, making this a true \"plug-and-play\" installation with no splicing required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis ignition coil is compatible with \u003cstrong\u003e50cc, 125cc, 150cc, and 170cc 4-Stroke Engines\u003c\/strong\u003e. If your engine code includes \"QM\" or \"FM\", this part is a direct fit:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine Type\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCommon Compatible Engine Codes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50cc 4-Stroke\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e139QMB, 1P39QMB, 139QMA, YN139QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e125cc\/150cc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e152QMI, 157QMJ, 1P57QMJ, JJ157QMJ, BN157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e170cc \/ Stroker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e161QMK, 1P61QMK, BN161QMK-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Length:\u003c\/strong\u003e 18 Inches (457mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Type:\u003c\/strong\u003e 2-Pole (Primary\/Ground)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark Plug Cap:\u003c\/strong\u003e 90-Degree Resistor Style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Blue Line (OEM-Equivalent)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e Ignition coils often fail when they get hot, leading to a scooter that runs for 10 minutes and then dies. \u003cstrong\u003ePro Tip:\u003c\/strong\u003e When installing this new coil, always pair it with a fresh \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eNGK CR7HSA Spark Plug\u003c\/a\u003e\u003c\/strong\u003e. A fouled or old plug can put unnecessary strain on your new coil, leading to premature failure.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 0900-1104 \u003cbr\u003e\u003cstrong\u003eOriginal Parts For Scooters SKU\u003c\/strong\u003e 164-329, SKU 164-55\u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Blue Line\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%; height: 92.3437px;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd st\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"BLUE LINE","offers":[{"title":"Default Title","offer_id":46762009395480,"sku":"0900-1104","price":10.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/0900-1104_aa1730dd-b0a6-4cb9-8fcc-c28a374d733c.jpg?v=1695336602","url":"https:\/\/www.scooterworks.com\/products\/blue-line-ignition-coil-gy6-qmb139-0900-1104","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}