{"product_id":"otohans-automotive-complete-wiring-harness-kit-for-50-125cc-4-stroke-atvs-cdi-stator-ignition-solenoid","title":"OTOHANS AUTOMOTIVE Complete Wiring Harness Kit for 50–125cc 4‑Stroke ATVs — CDI, Stator, Ignition \u0026 Solenoid","description":"\u003cp\u003e\u003cstrong\u003eComplete electrics kit for 4-stroke mini ATVs and dirt bikes — a full wiring harness with CDI, stator, relay, ignition coil, solenoid, spark plug and all mounting hardware to replace or upgrade 50cc–125cc electric-start engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis universal wiring loom package from OTOHANS AUTOMOTIVE is designed for Chinese-made 4-stroke upright engines commonly found on ATVs, pit bikes, go-karts and scooters. It consolidates the core electrical components into one boxed kit, with clear wiring diagrams and installation instructions so you can restore ignition, charging and starter functions without sourcing parts individually.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this kit restore my ATV’s electrical system?\u003c\/h3\u003e\n\u003cp\u003eThe kit replaces the primary electrical components that control spark, charging and starter activation. By swapping the harness, CDI and stator you re-establish timed ignition and charging regulation, and the solenoid plus ignition switch enable electric start operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes CDI (5-pin AC), stator (magneto generator), ignition coil and spark plug for ignition.\u003c\/li\u003e\n  \u003cli\u003eRectifier\/voltage regulator and extended wiring for improved charging connection.\u003c\/li\u003e\n  \u003cli\u003eSolenoid relay, ignition switch (waterproof with 2 keys) and fuse for starting and protection.\u003c\/li\u003e\n  \u003cli\u003eDetailed wiring diagrams and cable ties simplify installation and routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and models are compatible with this wiring harness?\u003c\/h3\u003e\n\u003cp\u003eThis harness is built to fit most Chinese-made electric-start upright 4-stroke engines from roughly 49cc to 125cc. It’s intended for mini ATVs, quad bikes, pit bikes and go-karts that share common connector types and electrical layouts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible: 50cc, 70cc, 80cc, 90cc, 100cc, 110cc and 125cc Chinese engines.\u003c\/li\u003e\n  \u003cli\u003eFits many brands: Taotao, Coolster, Sunl, NST, Kazuma, Baja, Buyang, Roketa and more.\u003c\/li\u003e\n  \u003cli\u003eFits models like Kawasaki KLX-style 4-wheelers and most Chinese 4-stroke mini ATVs.\u003c\/li\u003e\n  \u003cli\u003eNot for GY6 motorbikes or 200–250cc Zongshen\/Lifan engines with different stator\/CDI designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included in the box and what changed in this upgraded harness?\u003c\/h3\u003e\n\u003cp\u003eThe kit is supplied as a complete loom with all the commonly replaced components, packaged in a color box with instructions. The upgraded wiring extends key link lines and includes improved connectors for easier routing and reliable connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBox contents: wiring harness, CDI (5-pin AC), solenoid relay, rectifier\/regulator, ignition switch with two keys.\u003c\/li\u003e\n  \u003cli\u003eAlso includes upgraded multifunction ATV switch, stator, ignition coil with lead, spark plug and fuse.\u003c\/li\u003e\n  \u003cli\u003eHardware: 10 cable ties and a wiring diagram to guide installation.\u003c\/li\u003e\n  \u003cli\u003eUpgrades: extended rectifier, stator and battery lines plus a brand-new fuse for protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation precautions should I follow?\u003c\/h3\u003e\n\u003cp\u003eCareful matching and correct polarity are essential. Confirm model compatibility before purchasing and follow the included wiring diagram exactly to prevent shorts or damage — older vehicles with degraded insulation may not be suitable without additional repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRed wire = positive, black = negative; follow the diagram for each connector.\u003c\/li\u003e\n  \u003cli\u003eDo not connect the relay negative to ground; the relay requires the specified positive terminal hookup.\u003c\/li\u003e\n  \u003cli\u003eAvoid fitting to very old vehicles where wiring insulation is brittle to prevent short circuits.\u003c\/li\u003e\n  \u003cli\u003eConfirm engine and stator\/CDI type if your vehicle is outside the listed Chinese 4-stroke models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders, mechanics and DIY restorers who need a single-source replacement for an ATV or small dirt bike electric-start electrical system. It’s best suited for owners of Chinese-made 50cc–125cc 4-stroke ATVs, pit bikes, quads and go-karts who want to swap a failing harness, restore electric start and charging function, or upgrade worn connectors. If your vehicle uses a GY6 motorbike electrical layout or a 200–250cc stator\/CDI, choose a model-specific kit instead.\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: Will this harness fit my 110cc Taotao ATV?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit lists compatibility with Taotao 110cc\/125cc and most Chinese 4-stroke 70–125cc ATVs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this on a GY6 motorbike or 250cc ATV?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — it is not suitable for GY6 motorbikes or 200–250cc Zongshen\/Lifan engines with different stators\/CDIs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OTOHANS AUTOMOTIVE","offers":[{"title":"Default Title","offer_id":48086743842974,"sku":"B0D7VPTM9N","price":55.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/otohans-automotive-front-boxed-kit.jpg?v=1785903442","url":"https:\/\/northtrailauto.ca\/products\/otohans-automotive-complete-wiring-harness-kit-for-50-125cc-4-stroke-atvs-cdi-stator-ignition-solenoid","provider":"North Trail Auto","version":"1.0","type":"link"}