NGK CPR7EA-9 Spark Plug (3901) – Honda CB125 Compatible

 Upgrade your Honda CB125’s ignition system with the NGK CPR7EA-9 Spark Plug (3901) — engineered for reliability, performance, and long service life. NGK is the world’s leading spark plug brand, trusted by riders and mechanics for consistent quality.

- Precision Fitment: Designed for Honda CB125 motorcycles and other compatible models.
- Enhanced Durability: Features trivalent metal plating for superior anti‑corrosion and anti‑seizing protection.
- Reliable Ignition: Corrugated ribs prevent flashover, ensuring stable spark delivery.
- Superior Heat Transfer: Pure alumina silicate ceramic insulator provides strength and efficient cooling.
- Copper Core Technology: Improves heat dissipation for optimal engine performance.
- Leak-Free Design: Triple seals prevent combustion gas leakage.

Perfect for riders who demand smooth starts, efficient combustion, and extended plug life.

⚙️ Specifications

| Feature | Details |
|----------------|----------------|
| Thread Diameter | 10mm |
| Thread Pitch | 1.0mm |
| Reach | 19mm (3/4") |
| Hex Size | 16mm (5/8") |
| Gap | 0.9mm (.035") |
| Heat Range | 7 |
| Resistor | Yes (5k Ohm) |
| Electrode Material | Nickel |
| Torque Specs | 7.2–10.8 lb‑ft (Cast Iron), 7.2–8.7 lb‑ft (Aluminum) |