OLIFANT Ignition CDI Box for Honda FourTrax 300 TRX300/TRX300FW 1988–1993 — 12V Plug-and-Play, FCC-Certified

OLIFANT Ignition CDI Box is a direct-replacement electronic ignition module designed to restore reliable spark timing for 1988–1993 Honda FourTrax 300 TRX300 and TRX300FW models.

If your FourTrax 300 is experiencing weak spark, intermittent starting, or poor throttle response, a faulty CDI (Capacitor Discharge Ignition) module is often the culprit. This OLIFANT CDI is built as a plug-and-play replacement for both 2x4 and 4x4 models from 1988 to 1993, matching the original mounting and connector layout and supporting 12V electrical systems. It uses modern components and manufacturing to improve operational stability across temperature and vibration conditions and has passed FCC certification for electromagnetic compatibility.

How does this CDI box fit my Honda FourTrax 300?

The OLIFANT unit is manufactured to match the factory electrical connectors and mounting points for TRX300 (2x4) and TRX300FW (4x4) models made between 1988 and 1993. Installation is straightforward: unplug the old module, connect the matching 4-pin and 2-pin plugs, and secure it in place.

• Compatibility: TRX300 (1988–1993) and TRX300FW (1988–1993)
• Connector layout: 4-pin + 2-pin for direct replacement
• Voltage: designed for 12V electrical systems
• Reference part numbers: 30410-HC4-770, 30410-HC4-003, 30410-HC5-970, 30410-HC5-971

Will this CDI improve my ATV's starting and performance?

Replacing a worn or damaged CDI can restore proper ignition timing and spark energy, which usually leads to crisper starting, steadier idle, and smoother throttle response. This OLIFANT module uses upgraded chips and components intended to maintain consistent output under load and varying temperatures.

• Restores spark timing for reliable starts
• Reduces misfires and intermittent power loss
• Maintains stability under vibration and heat
• Designed to meet OEM electrical behavior

What are the build quality and certifications of this replacement part?

The unit is assembled with attention to materials and manufacturing processes to ensure long-term reliability. Internal circuitry uses quality chips, and the finished product has passed FCC testing, indicating controlled electromagnetic emissions and compliance with relevant standards.

• Durable housing to resist vibration and moisture
• Quality electronic components for stable operation
• FCC-certified for electromagnetic compatibility
• Designed to match OEM electrical specifications

How difficult is installation and what should I check after fitting?

Installation is typically simple for owners comfortable with basic ATV maintenance. After mounting and connecting the 4-pin and 2-pin plugs, verify secure connections, then test start and inspect for steady idle and consistent throttle response. If symptoms persist, confirm wiring harness condition and grounding.

• Tools needed: basic hand tools to remove cover and fasten the CDI
• Post-install check: confirm firm electrical connections and ground
• Troubleshooting: test spark and check wiring if issues continue
• Keep original part numbers handy for reference and fit verification

Who is this for: This OLIFANT Ignition CDI Box is aimed at Honda FourTrax 300 owners, both DIY mechanics and professional technicians, who need a reliable replacement for a failing ignition module. It suits riders restoring older TRX300 and TRX300FW ATVs from model years 1988–1993, fleet maintainers, and anyone seeking a cost-effective, FCC-compliant replacement that mirrors OEM fit and function.