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CDI (ECU Ignition Module Black Box) – Hyosung GT125R GT250R GT125

Estimated delivery dates: Aug 8, 2026 - Aug 11, 2026

£39.99

💎 CDI IGNITION MODULE // KEEP YOUR CARB MODEL ALIVE

Secure the spark your legacy bike needs. The original manufacturer stopped production, so we sourced this high-quality aftermarket unit to keep your GT running strong. A critical component for reliable ignition performance. Invest in essential insurance for your engine’s electrical health & get back on the road!

  • Function // Regulates ignition timing for power delivery.
  • Design // 25% smaller than the bulky OEM unit; easy fitment.
  • Compatibility // Direct plug-and-play replacement for carb models.
  • What’s Included // 1x Aftermarket CDI Ignition Module.
⚠️ CRITICAL NOTE: CDI units are non-refundable once fitted. Please ensure you troubleshoot all other electrical components (stator, coils, etc.) *before* purchase. Visit the HyoRiders Forum if you need help diagnosing your issue.
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Description

Your Hyosung GT is a robust machine built for life on the road, but eventually, critical electronic components fail. The original manufacturer (Edgetek/Woochang) has long moved on, meaning OEM stock is mostly gone. Hyosung is now focusing on EFi injection models these days. So we have to keep our older legacy carb models on the road with some aftermarket support.  This aftermarket module is essential for preserving these fantastic carbureted models, offering performance that meets or exceeds original specifications without leaving the bike stuck in the garage for years (just because we can’t find an OEM CDI unit!)


💎 ReSTORE THE Spark IN A Smaller Box

Aftermarket MadeAftermarket support for older electrics
Preserve Your RideKeeps legendary legacy models running.
Compact Design25% smaller profile than OEM units.
Get On The RoadRide sooner with replacement components.

📜 Confirmed Fitment Guide

✅ FITS: Hyosung GT125, GT125R, GT250, GT250R (Carbureted models only). Also fits GV250 Aquila (Carb, 8-Pin connector setup).
📅 YEARS: Approx 2003–2009 (GT250/R variant) and 2003–2020 (GT125/R variant).
❌ WILL NOT FIT: Any newer EFI fuel-injected models or GV125 Aquila engines.

💡 ESSENTIAL PAIRING:
A weak ignition coil can fry a new CDI unit. Ensure your entire ignition system is healthy. We stock reliable ignition coils to match this CDI setup. View Ignition Coils here.

🔧 Install Tips

  • Plug & Play: Simply locate your old black box unit (usually near the battery tray) and swap it out. No complex manual splicing required.
  • Test Electrics First: Use a multimeter to confirm your stator output voltage and primary/secondary coil resistance are within spec before completing installation.

📧 COMMUNITY DIAGNOSTICS & SUPPORT
Stuck running circuit diagnostic checks? For in-depth diagnostic blueprints and tech threads, visit the HyoRiders Club Forums.

Additional information

Weight 2 kg
Dimensions 25 × 25 × 10 cm

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GARAGE PICKS // ADD TO BUILD


Independent Shop supplying ride enhancements and quality spares with fast dispatch. Need assistance? Access our workshop guides, manuals, tutorials or drop by the forums for troubleshooting help.