Description
Uprated spark plug designed specifically for Hyosung RX125 & RT125 models. Experience a more efficient, powerful spark for improved engine performance and reliability over stock plugs.
With the smallest tip diameter available, these OE Iridium spark plugs deliver superior ignitability and a long service life. The iridium and platinum surfaces ensure slow wear, providing a stable idle and excellent anti-fouling performance.
💎 Uprated Performance vs OEM
Product Specifications from NGK:
| Superior Durability Laser-welded iridium center electrode. |
Corrosion Resistance Trivalent metal plating prevents seizing. |
| Better Cold Starts Quicker, more efficient ignition. |
Enhanced Response Smoother acceleration & better fuel economy. |
📜 Confirmed Fitment:
Hyosung Part Number: 09482-00456
| Hyosung RX125 (All Years) | Hyosung RT125D (All Years) |
🔧 Installation Tips & Help
Easy “swap & go” maintenance with a few key checks:
- Check the Gap: Always verify the spark plug gap before installation for optimal performance.
- Anti-Seize: A small amount of anti-seize compound on the threads prevents seizing in the cylinder head.
- Torque Right: Use a torque wrench. Do not overtighten!
- Need Help? Check out our Help Forums for detailed tutorials and guides.
📧 SALES ENQUIRY? Email us for direct product questions about this item. For general installation advice or other opinions, you can always ask the community on the HyoRiders Forum.










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