Osculati 47.557.05 – Champion L78V Spark Plug
The Osculati 47.557.05 includes the Champion L78V spark plug, a proven solution for marine 2-stroke engines requiring high-voltage ignition and consistent combustion. Built without a resistor, it delivers maximum spark energy and features a V-groove center electrode for improved ignition focus and flame front expansion.
Main Features:
- Model: Champion L78V
- Thread Size: 14 mm
- Reach: 9.5 mm (3/8″)
- Hex Size: 21 mm (13/16″)
- Resistor: No
- Electrode Type: V-groove – for enhanced ignition efficiency
- Use: Marine outboard 2-stroke engines
Benefits:
- Strong, clean spark under high-load marine conditions
- Ideal for engines without electronic interference sensitivity
- Promotes faster combustion and improved fuel efficiency
- Excellent anti-fouling and saltwater corrosion resistance
Technical Specifications Table:
| Parameter | Value |
|---|---|
| Item Code | 47.557.05 |
| Model | Champion L78V |
| Thread Size | 14 mm |
| Reach | 9.5 mm (3/8″) |
| Hex Size | 21 mm (13/16″) |
| Resistor | No |
| Electrode | V-groove type |
| Application | 2-stroke outboard engines |
The Osculati 47.557.05 – Champion L78V spark plug is ideal for classic and high-output 2-stroke marine engines requiring maximum ignition strength. Its V-groove design and marine-grade durability make it a reliable solution for consistent, interference-free performance on the water.
