SKU:
Osculati-47.558.63
$ 22,29
1-2 weeks delivery time
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NGK BZ7HS-10 (Osculati 47.558.63) is a short-reach resistor spark plug with M14 × 1.25 mm thread, 12.7 mm reach, 20.8 mm hex, and a 1.0 mm preset gap. Specifically engineered for 2-stroke marine engines from Yamaha, Mercury, Suzuki, Tohatsu, Selva, and Honda. Its zinc-dipped shell resists corrosion in saltwater environments. No direct Champion equivalent.
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Osculati 47.558.63 – NGK BZ7HS-10 Marine Spark Plug
The NGK BZ7HS-10 (Osculati 47.558.63) is a marine-grade spark plug designed for 2-stroke outboard engines requiring precise ignition performance and environmental durability. It features a 1.0 mm factory-set gap, a built-in resistor to suppress electronic interference, and a corrosion-resistant zinc-coated shell for long service life in saltwater conditions. Its short reach makes it compatible with many compact cylinder head designs common in portable and mid-range marine engines.
Key Features:
- Factory-set 1.0 mm gap for optimal ignition in 2-stroke engines
- Short 12.7 mm reach ideal for compact combustion chambers
- Resistor construction reduces EMI for compatibility with digital ignition systems
- Zinc-dipped shell offers strong resistance to corrosion in marine use
- Designed for steady ignition under variable load and RPM conditions
Technical Specifications:
Attribute Value Model NGK BZ7HS-10 Osculati Code 47.558.63 Thread Diameter M14 × 1.25 mm Reach 12.7 mm Hex Size 20.8 mm Heat Range 7 Gap 1.0 mm Electrode Type Standard Resistor Yes
Manufacturer Compatibility:
- Yamaha
- Mercury
- Suzuki
- Honda
- Tohatsu
- Selva
- Mariner
Cross Reference:
Brand Model NGK BZ7HS-10 Champion –
The NGK BZ7HS-10 is purpose-built for saltwater reliability and electronic ignition compatibility in 2-stroke outboard engines. With its stable spark, corrosion-proof housing, and high thermal tolerance, it’s a go-to solution for marine technicians maintaining small- to mid-range outboards in tough environments.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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