SKU:
Osculati-47.558.10
€ 6,78
1-2 weeks delivery time
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Osculati 47.558.10 – NGK B7HS-10 is a non-resistor spark plug with a factory-set 1.0 mm gap, built for reliable ignition in 2-stroke marine outboards by Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. It features a 14 mm thread, 12.7 mm (1/2") reach, and 20.8 mm (13/16") hex. Equivalent to Champion L77JC4.
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Osculati 47.558.10 – NGK B7HS-10 Spark Plug
The Osculati 47.558.10 includes the NGK B7HS-10 spark plug, a non-resistor marine ignition component designed for 2-stroke outboard engines. It features a 1.0 mm pre-set gap, allowing for consistent spark and combustion timing. This plug delivers a clean and efficient ignition path for engines that do not require RFI suppression. With a medium heat range and copper core electrode, it ensures thermal reliability in saltwater environments. It corresponds to Champion L77JC4.
Main Features:
- Model: NGK B7HS-10
- Thread Size: 14 mm
- Reach: 12.7 mm (1/2")
- Hex Size: 20.8 mm (13/16")
- Resistor: No
- Pre-set Gap: 1.0 mm
- Heat Range: 7 (medium)
- Core Type: Copper core
- Champion Equivalent: L77JC4
Compatible Engine Brands:
- Mariner
- Yamaha
- Suzuki
- Mercury
- Tohatsu
- Selva
- Honda (2-stroke models)
Benefits:
- Pre-set 1.0 mm gap for accurate and stable ignition
- Non-resistor design provides maximum spark energy
- Medium heat rating ensures anti-fouling performance
- Reliable ignition under marine thermal and humidity conditions
Technical Specifications Table:
Parameter Value Item Code 47.558.10 Model NGK B7HS-10 Thread Size 14 mm Reach 12.7 mm (1/2") Hex Size 20.8 mm (13/16") Resistor No Pre-set Gap 1.0 mm Heat Range 7 Champion Equivalent L77JC4 Application 2-stroke outboard marine engines
The Osculati 47.558.10 – NGK B7HS-10 spark plug is an efficient ignition solution for marine engines where direct spark delivery is preferred over RFI protection. It’s ideal for traditional 2-stroke systems in saltwater conditions, offering stable combustion and dependable thermal performance.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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