Osculati 47.558.02 – NGK BR7HS-10 Spark Plug
The Osculati 47.558.02 includes the NGK BR7HS-10 spark plug, a resistor-type plug widely used in 2-stroke marine outboard engines. Featuring a built-in 5 kΩ resistor for radio frequency interference (RFI) suppression and a factory-set 1.0 mm gap, this plug ensures smooth ignition, cold starts, and electronic compatibility onboard. It’s the standard fitting for engines from Mercury, Yamaha, Mariner, Suzuki, Tohatsu, Selva, and Honda. Cross-referenced with Champion L82C.
Main Features:
- Model: NGK BR7HS-10
- Thread Size: 14 mm
- Reach: 12.7 mm (1/2″)
- Hex Size: 20.8 mm (13/16″)
- Resistor: Yes – 5 kΩ built-in
- Gap: 1.0 mm (pre-set)
- Electrode: Standard tip, copper core
- Champion Equivalent: L82C
Compatible Engine Brands:
- Mariner
- Yamaha
- Suzuki
- Mercury
- Tohatsu
- Selva
- Honda (2-stroke models)
Benefits:
- Built-in resistor reduces RFI impact on onboard electronics
- Factory-set 1.0 mm gap for precise marine ignition timing
- Stable combustion and cold-start reliability
- Marine-grade durability with anti-corrosion design
Technical Specifications Table:
| Parameter | Value |
|---|---|
| Item Code | 47.558.02 |
| Model | NGK BR7HS-10 |
| Thread Size | 14 mm |
| Reach | 12.7 mm (1/2″) |
| Hex Size | 20.8 mm (13/16″) |
| Resistor | Yes (5 kΩ) |
| Pre-set Gap | 1.0 mm |
| Champion Equivalent | L82C |
| Application | 2-stroke marine outboards |
The Osculati 47.558.02 – NGK BR7HS-10 spark plug offers clean, interference-free ignition for marine engines. Built to NGK’s exacting standards, it supports top performance and electronic system safety in all major 2-stroke outboard brands.
