{"product_id":"olifant-ignition-cdi-box-for-honda-fourtrax-300-trx300-trx300fw-1998-2000-direct-fit-8-pin-replacement","title":"OLIFANT Ignition CDI Box for Honda Fourtrax 300 TRX300\/TRX300FW (1998–2000) - Direct-Fit 8-Pin Replacement","description":"\u003cp\u003e\u003cstrong\u003eOLIFANT Ignition CDI Box is a direct-fit replacement module for Honda Fourtrax 300 (TRX300\/TRX300FW) 1998–2000 models, restoring reliable spark control for both 2x4 and 4x4 variants.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Fourtrax 300 is showing intermittent firing, hard starts, stalling, or other ignition-related symptoms, a faulty CDI (capacitor discharge ignition) module is often the culprit. This OLIFANT unit is built to match factory fitment and electrical characteristics for TRX300 and TRX300FW models made between 1998 and 2000. It uses ST semiconductor chips and precision manufacturing to provide stable operation under varied riding conditions and has passed FCC compliance testing.\u003c\/p\u003e\n\n\u003ch3\u003eWill this CDI box fit my Honda Fourtrax 300 from 1998–2000?\u003c\/h3\u003e\n\u003cp\u003eYes — the OLIFANT CDI is designed as a direct replacement for the specified TRX300 years and supports both 2x4 and 4x4 versions. It matches the original mounting and connector layout and uses the same pin count for straightforward swapping.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eModels covered: TRX300 and TRX300FW (1998–2000)\u003c\/li\u003e\n  \u003cli\u003eReference numbers: 30410-HM5-A11, 30410-HM5-A10, 30400-HM5-506, 30410-HM5-S01\u003c\/li\u003e\n  \u003cli\u003eConnector: single plug, 8 pins for compatible harness connection\u003c\/li\u003e\n  \u003cli\u003eDesigned for bolt-on replacement with no ECU reprogramming\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement improve my ATV’s performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn or failed CDI restores consistent spark timing and reliable ignition, which helps with smoother starts and steadier idling. The upgraded ST chips and quality control reduce the chance of unexpected misfires or electrical instability when the vehicle is under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStabilizes ignition timing for consistent engine response\u003c\/li\u003e\n  \u003cli\u003eReduces stalling and misfire incidents during operation\u003c\/li\u003e\n  \u003cli\u003eMaintains performance across varying temperatures and terrain\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the technical specs and durability features?\u003c\/h3\u003e\n\u003cp\u003eThe unit includes one plug and an 8-pin connector matching OEM specifications. Constructed from durable materials with tested semiconductor components, it meets FCC standards and is made to withstand vibration and outdoor conditions typical of off-road use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNumber of plugs: 1; number of pins: 8\u003c\/li\u003e\n  \u003cli\u003eST chips and advanced manufacturing for stable operation\u003c\/li\u003e\n  \u003cli\u003eDurable housing and internal components for vibration resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the CDI and what should I check after replacement?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically a basic mechanical swap: disconnect the battery, unplug the old CDI, unbolt and install the OLIFANT unit, then reconnect the connector and battery. After installation, verify secure connections, start the engine, and check for smooth idle and consistent throttle response.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery before beginning to avoid shorts\u003c\/li\u003e\n  \u003cli\u003eMatch connector orientation and firmly seat the 8-pin plug\u003c\/li\u003e\n  \u003cli\u003eTest run to confirm steady idle and no misfires\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This OLIFANT CDI box is aimed at owners, mechanics, and restoration enthusiasts working on Honda Fourtrax 300 ATVs from 1998–2000 who need a reliable, direct-fit ignition module. It suits riders who want a quality replacement when original units fail or for preventive maintenance to restore dependable starting and consistent engine behavior across both 2x4 and 4x4 configurations.\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: Is this CDI compatible with TRX300FW 4x4 models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This OLIFANT CDI fits both TRX300 and TRX300FW 4x4 models from 1998–2000.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many pins does the connector have?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The unit uses a single plug with an 8-pin connector matching OEM wiring harnesses.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OLIFANT","offers":[{"title":"Default Title","offer_id":55166452171095,"sku":"B0BXXKV4SW","price":38.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/olifant-cdi-front-view_ffe129cd-634d-404b-b04c-1b7d90990927.jpg?v=1790368689","url":"https:\/\/britishgarage.co.uk\/products\/olifant-ignition-cdi-box-for-honda-fourtrax-300-trx300-trx300fw-1998-2000-direct-fit-8-pin-replacement","provider":"British Garage","version":"1.0","type":"link"}