OLIFANT Ignition CDI Box for Honda Fourtrax 300 TRX300/TRX300FW (1998–2000) — Direct-Fit 8‑Pin OEM-Compatible Replacement

OLIFANT's Ignition CDI Box is a direct-fit replacement igniter for Honda Fourtrax 300 (TRX300/TRX300FW) model years 1998–2000, restoring reliable spark control for both 2x4 and 4x4 machines.

If your Honda Fourtrax 300 has intermittent starting, misfires, or sudden loss of ignition, a failing CDI (Capacitor Discharge Ignition) unit is a common cause. This OLIFANT CDI module is manufactured to match the OEM electrical interface and mounting points, offers an 8-pin connector and single plug layout, and corresponds to Honda reference numbers including 30410-HM5-A11, 30410-HM5-A10, 30400-HM5-506 and 30410-HM5-S01. Built with durable components and tested processes, it aims to deliver consistent performance across typical off-road conditions.

How will this CDI box affect my Fourtrax’s starting and throttle response?

Replacing a worn or damaged CDI often returns crisper starts and steadier throttle behavior by restoring correct timing and spark intensity. This OLIFANT unit is tuned to match the Fourtrax 300 ignition characteristics so the engine receives correct firing signals under normal load.

• Restores reliable high-voltage pulses to the spark plug for consistent ignition.
• Reduces misfires caused by erratic timing from a failing module.
• Matches stock pinout and connectors for simple swap-in installation.

Will it fit my TRX300 or TRX300FW and how easy is installation?

The OLIFANT CDI is made as a direct replacement for 1998–2000 Honda Fourtrax TRX300 (2x4) and TRX300FW (4x4) models and uses the same mounting and electrical interface as the original part. Installation is typically a straightforward bolt-and-plug swap that requires basic hand tools and minimal mechanical experience.

• Compatible with both 2x4 and 4x4 Fourtrax 300 models from 1998–2000.
• 8-pin connector and single plug arrangement match OEM connections.
• Simple bolt-on replacement — no special programming required.

What durability and certification can I expect from this replacement CDI?

OLIFANT builds this unit using reliable components and standardized manufacturing to withstand typical off-road vibration, heat, and electrical load. The product has undergone regulatory testing and carries FCC certification, reflecting attention to electrical compliance.

• Constructed from stable, durable materials to resist vibration and wear.
• Uses ST chips and controlled manufacturing processes for consistent outputs.
• Passes FCC testing for electromagnetic compliance where required.

Which reference numbers and technical details should I check before ordering?

Verify that the reference part numbers on your original CDI match the replacement’s cross-references to ensure fitment. This OLIFANT CDI corresponds to several Honda reference codes and includes the typical technical layout used on late-1990s Fourtrax 300 models.

• Cross-references: 30410-HM5-A11, 30410-HM5-A10, 30400-HM5-506, 30410-HM5-S01.
• Connector: single plug with 8 pins — confirm against your unit before purchase.
• Designed for TRX300 and TRX300FW model years 1998–2000.

Who is this for? This OLIFANT Ignition CDI Box is suited for owners, mechanics, and restoration enthusiasts who operate or maintain Honda Fourtrax 300 (TRX300/TRX300FW) ATVs from 1998 to 2000 and need a dependable replacement for a failing ignition module. Choose this part if you require a direct-fit, certified unit with OEM-style connector layout and clear cross-reference numbers, whether you’re doing routine repairs, prepping the ATV for trail use, or restoring a vintage machine.