{"product_id":"morev-5-pin-ac-cdi-ignition-module-for-50cc-125cc-atvs-dirt-bikes-horizontal-4-stroke-compatible","title":"MOREV 5-Pin AC CDI Ignition Module for 50cc–125cc ATVs Dirt Bikes — Horizontal 4-Stroke Compatible","description":"\u003cstrong\u003eMOREV 5-Pin AC CDI Ignition Module is a direct-replacement AC-fired ignition module engineered to restore spark timing on compatible 50cc–125cc horizontal 4-stroke ATVs, dirt bikes, pit bikes and go-karts.\u003c\/strong\u003e\n\n\u003cp\u003eThis compact replacement module supplies the timing pulse and spark control for engines that use a five-pin AC CDI architecture. It’s built to match the connector shape and wiring arrangement used by many small-displacement horizontal 4-stroke powertrains, providing a straightforward swap when the original CDI has failed or is unreliable. The unit does not work with DC CDI systems, six-pin GY6 connectors, or other pin arrangements, so confirming compatibility before purchase is essential.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this CDI will fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eFit depends on connector type, pin layout and physical module dimensions rather than brand or displacement alone. Compare the original part’s five-pin rectangular connector, terminal positions and wiring colours to ensure a match. If those match, measure the module and review mounting points to verify fitment in the available space.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck your existing CDI has a 5-pin rectangular male connector.\u003c\/li\u003e\n  \u003cli\u003eCompare terminal positions and wire colours to the replacement harness.\u003c\/li\u003e\n  \u003cli\u003eMeasure the module housing and mounting points for clearance.\u003c\/li\u003e\n  \u003cli\u003eConfirm your engine uses an AC-fired ignition system, not DC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat engines and models is this CDI compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis module is designed for select horizontal 4-stroke engines in the 50cc–125cc range that use an AC ignition setup and a matching five-pin connector. It’s commonly used across several popular Chinese-brand bikes, ATVs and go-karts, but compatibility varies by model year and harness revisions. Always cross-check the connector and wiring before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon compatible models: Coolster 3125B\/3125R\/3125XR8\/3050C.\u003c\/li\u003e\n  \u003cli\u003eTaoTao lineup includes: Boulder B1, Cheetah, TForce, New TForce, DB17, DB14.\u003c\/li\u003e\n  \u003cli\u003eAlso used on SSR SR70, SR110, SR125; Apollo RFZ\/X18\/X4\/X19.\u003c\/li\u003e\n  \u003cli\u003eMay fit select Kayo, Baja, Roketa, Kazuma, SunL and Jetmoto models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and troubleshooting?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically a straightforward connector swap when the replacement connector and mounting fit your vehicle’s harness and bracket. If the engine still won’t fire, double-check pickup coil outputs, stator wiring and ground connections; CDIs rely on correct input signals and a solid ground. Use a multimeter and wiring diagram to isolate faults before replacing the module again.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery\/spark plug and follow safety procedures before swapping CDI.\u003c\/li\u003e\n  \u003cli\u003eEnsure clean, corrosion-free connectors and secure mounting for vibration resistance.\u003c\/li\u003e\n  \u003cli\u003eVerify pickup coil and stator signals if engine does not restart after replacement.\u003c\/li\u003e\n  \u003cli\u003eReplace only when connector type, wiring layout and dimensions match original.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MOREV 5-Pin AC CDI Ignition Module is for DIY mechanics, small-vehicle repair shops and owners of 50cc–125cc horizontal 4-stroke ATVs, dirt bikes, pit bikes and go-karts who need a like-for-like AC CDI replacement. It’s ideal if your vehicle’s original part uses a five-pin AC connector and you’re comfortable verifying wiring, measuring the module and performing basic electrical troubleshooting. Not suitable for DC ignition systems or vehicles that use a different pin count or connector type.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this CDI replace a 6-pin GY6 module?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This unit uses a 5-pin AC rectangular connector and is not compatible with 6-pin GY6 or DC CDI systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What should I check if the engine still won’t start after installing this CDI?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Verify connector pins, stator\/pickup signal, ground continuity and ignition coil; faulty input signals can prevent spark.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MOREV","offers":[{"title":"Default Title","offer_id":48085216067742,"sku":"B0G6441J71","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/morev-front-module-view.jpg?v=1785867983","url":"https:\/\/northtrailauto.ca\/products\/morev-5-pin-ac-cdi-ignition-module-for-50cc-125cc-atvs-dirt-bikes-horizontal-4-stroke-compatible","provider":"North Trail Auto","version":"1.0","type":"link"}