Skip to product information
1 of 2

CDI Ignition Module for Yamaha DT125 4EC3 1982-1994

CDI Ignition Module for Yamaha DT125 4EC3 1982-1994

SKU:160-02059

Regular price £41.30 GBP
Regular price Sale price £41.30 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

Free shipping over £150. Terms apply

CDI Ignition Module for Yamaha DT125 4EC3 1982-1994

Yamaha DT 125cc (4EC3) - 1982-1994

This CDI ignition module is a direct aftermarket replacement for the ignition system fitted to the Yamaha DT125 (4EC3 model) built between 1982 and 1994. It stores and rapidly discharges electrical energy to the ignition coil, delivering a strong, consistent spark for reliable starting and running.

Manufactured to match the dimensions, wiring and output of the original Yamaha unit for a direct, no-modification fit. This version is supplied with the pickup sensor and without electronic advance, matching the original equipment specification for this model.

Key Features

  • Direct OEM-spec replacement CDI module
  • Supplied with sensor, without electronic advance
  • Matches original wiring and connector for plug-in fitting
  • Fits Yamaha DT 125cc (4EC3) 1982-1994

Technical Specs

Specification Detail
Unit Type CDI
Part Type CDI Module
Configuration Without electronic advance, with sensor

Vehicle Fitment Guide

Make & Model Years
Yamaha DT125 (4EC3) 1982-1994

OEM Part Number Cross Reference

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

Part Number Manufacturer / Brand
18G-85540-20-00 Yamaha
IYA6002 Arrowhead

Frequently Asked Questions

Will this fit my DT125 without modification?

Yes, this CDI module is a direct plug-in replacement for the Yamaha DT125 4EC3, matching the original wiring and connector, so no cutting or splicing is required.

What's included?

One CDI ignition module, ready to connect to your existing wiring loom.

How do I know my old CDI has failed?

Common symptoms include no spark, intermittent misfiring, difficulty starting, or the engine cutting out at speed. Comparing spark output against a known-good unit will confirm a faulty CDI.

Does this unit include electronic advance?

No, this unit is supplied without electronic advance and with the pickup sensor, matching the original equipment specification for this application.

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