{"product_id":"morev-6-pin-ac-9-curve-adjustable-cdi-box-for-cg125-cg250-dirt-bike-atv","title":"MOREV 6-Pin AC 9-Curve Adjustable CDI Box for CG125–CG250 Dirt Bike \u0026 ATV","description":"\n\u003cp\u003e\u003cstrong\u003eDigital adjustable AC CDI for CG-series 125cc–250cc vertical four-stroke engines.\u003c\/strong\u003e The MOREV 9-Curve CDI Box gives owners of compatible \u003cstrong\u003eCG 6-pin (4+2) AC ignition systems\u003c\/strong\u003e nine selectable ignition timing maps. It is designed for fitment-specific replacement or tuning of the ignition control unit on selected small powersports vehicles, with a push-button setting interface and a digital curve display.\u003c\/p\u003e\n\u003ch2\u003eUnderstanding the 9 Selectable Ignition Curves\u003c\/h2\u003e\n\u003cp\u003eIgnition timing affects when the spark fires relative to piston movement. Changing the timing curve alters how spark advance progresses across engine operating conditions, and may change throttle response, pulling characteristics and riding feel. This CDI provides settings \u003cstrong\u003e1 through 9\u003c\/strong\u003e. The MOREV curve guide describes settings near Curve 1 as favoring later-range power delivery and settings near Curve 9 as emphasizing earlier response. These are alternative ignition maps, not nine fixed horsepower levels or an assurance of increased engine output.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Controls\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNine adjustable maps:\u003c\/strong\u003e compare nine pre-programmed ignition timing curves to find the behavior suited to your engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy push-button selection:\u003c\/strong\u003e the built-in button changes the selected curve; the digital display shows the current setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLast-setting memory:\u003c\/strong\u003e the module recalls the last selected curve when restarted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine-running adjustment support:\u003c\/strong\u003e settings can be changed after the engine has started; make changes only in a safe, stationary situation and follow the supplied operating guide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific AC electrical configuration:\u003c\/strong\u003e built for matching CG 6-pin (4+2) AC CDI circuits; not interchangeable with DC modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngine Compatibility \u0026amp; Fitment Guide\u003c\/h2\u003e\n\u003cp\u003eIntended for selected \u003cstrong\u003eCG-series 125cc–250cc four-stroke vertical-cylinder engines\u003c\/strong\u003e with the appropriate \u003cstrong\u003e6-pin (4+2) AC CDI connector and wiring\u003c\/strong\u003e. Common engine-family references include CG125, CG150, CG200 and CG250, and codes 156FMI, 162FMJ, 163FML and 167FMM. Some TaoTao, Roketa, SunL and Coolster dirt bikes, ATVs and go-karts may use related engine configurations. \u003cstrong\u003eThese are reference examples only, not blanket compatibility claims:\u003c\/strong\u003e confirm a 6-pin (4+2) CG AC ignition system, the exact connector arrangement and matching pin positions on the original unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBefore ordering, compare all four:\u003c\/strong\u003e engine family (CG versus GY6), AC versus DC ignition type, physical connector arrangement, and the actual wire-to-pin assignments of the original module. Connector shape or advertised displacement alone does not establish fitment.\u003c\/p\u003e\n\u003ch2\u003eElectrical \u0026amp; Product Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: MOREV\u003c\/li\u003e\n\u003cli\u003eProduct: Digital adjustable CDI ignition box\u003c\/li\u003e\n\u003cli\u003eEngine family: CG vertical four-stroke\u003c\/li\u003e\n\u003cli\u003eIgnition power type: \u003cstrong\u003eAC only\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnector: 6-pin, split 4+2 configuration\u003c\/li\u003e\n\u003cli\u003eCurve settings: 1–9, \u003cstrong\u003eno setting 0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eControls: Integrated button and numerical display\u003c\/li\u003e\n\u003cli\u003eMemory: Retains last selected curve after power-off\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 72 mm overall width × 70 mm housing height × 27 mm thickness; approximately 94.5 mm total height including connector (manual measurements may vary slightly)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Important Warnings\u003c\/h2\u003e\n\u003cp\u003eOn an AC CDI system, ignition energy is supplied by the engine's charging\/exciter circuit. A visually similar 6-pin DC CDI is not an electrical substitute. \u003cstrong\u003eThis version is AC CDI only.\u003c\/strong\u003e The supplied CG 6-pin wiring illustration serves as a shared connector reference for AC and DC configurations. For this AC model, \u003cstrong\u003eterminal 6 must receive power from the stator exciter coil, not battery +12V DC.\u003c\/strong\u003e The terminal-side diagram identifies terminal 1 as pickup\/trigger signal, terminal 2 as ignition coil output, terminals 3 and 4 as grounds, and terminal 5 as kill-switch\/engine-stop input. Check orientation and actual harness assignments; both ground terminals must be connected according to the supplied product reference. \u003cstrong\u003eDo not connect AC and DC power supplies simultaneously, and do not feed DC supply into this AC-only CDI.\u003c\/strong\u003e Turn off the vehicle and disconnect the power before installation. Verify ground, pickup\/pulse signal, ignition coil connection and the harness pinout against your original CDI. Incorrect wiring may result in no-start conditions or component damage; consult a qualified mechanic if the configuration is uncertain.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDoes every CG engine use this CDI?\u003c\/h3\u003e\n\u003cp\u003eNo. Engine-family names cover multiple ignition wiring systems. This is the \u003cstrong\u003eCG 6-pin AC\u003c\/strong\u003e version only.\u003c\/p\u003e\n\u003ch3\u003eAre settings 1–9 RPM limits?\u003c\/h3\u003e\n\u003cp\u003eNo. They are nine ignition timing curves. This product should not be confused with the MOREV DIP-switch speed-limit CDI series.\u003c\/p\u003e\n\u003ch3\u003eDoes the unit return to its first curve after shutdown?\u003c\/h3\u003e\n\u003cp\u003eNo. It retains the previously selected curve in memory.\u003c\/p\u003e\n\u003ch3\u003eCan I change the selected curve after starting the engine?\u003c\/h3\u003e\n\u003cp\u003eYes, the control remains available after startup. Stop the vehicle safely before making any changes.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eMOREV orders ship from Guangzhou, China. Available shipping destinations, charges and estimated delivery times depend on the delivery address and parcel weight. Review our \u003ca href=\"\/pages\/shipping-policy\"\u003eShipping Policy\u003c\/a\u003e, or \u003ca href=\"\/pages\/contact\"\u003econtact MOREV\u003c\/a\u003e with a clear photo of your original CDI connector if you need help checking the configuration.\u003c\/p\u003e","brand":"MOREV","offers":[{"title":"Default Title","offer_id":67940103160043,"sku":"MCDI017","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/8283\/9019\/files\/morev-9curve-cg-ac-main.jpg?v=1791621997","url":"https:\/\/shop.morevracing.com\/products\/morev-6-pin-ac-9-curve-adjustable-cdi-box-for-cg125-cg250-dirt-bike-atv","provider":"MOREV Racing","version":"1.0","type":"link"}