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CDI Box for Honda TRX 300 & TRX 300 FW Fourtrax 1988-1993

CDI Box for Honda TRX 300 & TRX 300 FW Fourtrax 1988-1993

SKU:RM02103

Regular price £71.20 GBP
Regular price Sale price £71.20 GBP
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CDI Box for Honda TRX 300 & TRX 300 FW Fourtrax 1988-1993

Fits Honda TRX 300 Fourtrax & TRX 300 FW Fourtrax 1988-1993

This CDI (Capacitor Discharge Ignition) module is built to OEM specifications as a direct plug-in replacement for the ignition system on the Honda TRX 300 and TRX 300 FW Fourtrax. It restores reliable spark timing for consistent starting and running.

The unit is fitted with a 2-plug, 6-pin connector layout matching the factory harness, and measures 93mm long by 55mm wide with a 23mm case height, so it installs directly in place of the original module.

Key Features

  • Direct OEM fit and finish, no wiring modifications required
  • 2-plug, 6-pin connector layout matching the original harness
  • Compact 93 x 55 x 23mm case for a direct swap
  • Covers Honda TRX 300 Fourtrax and TRX 300 FW Fourtrax
  • Please note: CDI units are excluded from warranty and are non-refundable once fitted

Technical Specs

Specification Detail
Height 23mm
Length 93mm
Width 55mm
Plugs 2
Pins 6

Vehicle Fitment Guide

Make & Model Years
Honda TRX 300 Fourtrax 1988-1993
Honda TRX 300 FW Fourtrax 1988
Honda TRX 300 FW Fourtrax 1990-1993

OEM Part Number Cross Reference

Aftermarket replacement. OEM part numbers are listed for reference only.

Part Number Manufacturer / Brand
30410-HC4-003 Honda
30410-HC4-770 Honda
30410-HC5-970 Honda
30410-HC5-971 Honda

Frequently Asked Questions

Will this CDI fit without any modifications?

Yes, it is a direct plug-in replacement using the original connector layout, so no cutting or splicing of the wiring loom is required.

What is included?

One CDI module, ready to fit in place of the original unit.

How can I tell my CDI has failed?

Common symptoms include no spark, intermittent misfiring, stalling, or a complete failure to start even though the battery and starter are working normally.

Is this CDI covered by warranty?

Due to the sealed electronic nature of CDI units they are excluded from our standard warranty and are non-refundable once fitted. Please confirm the OEM number against your original unit before ordering.

Dispatched from the UK · 12-month warranty · Fitment support from our technical team
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Shipping calculated at checkout. Free shipping over £150. Terms apply