NGK 7534 B6HS Standard Spark Plug
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Precision spark plug for smooth combustion
The NGK 7534 B6HS Standard Spark Plug delivers reliable ignition for smooth combustion and stable engine performance. It is a standard nickel spark plug designed for efficient operation in small 2-stroke outboard motors, commonly used in older and low-displacement marine engines..
NGK 7534 B6HS Standard Spark Plug Features:
- Built to NGK standards for long life and consistent performance
- High-quality OEM replacement
- Trivalent metal plating for strong anti-corrosion and anti-seizing protection
- Corrugated ribs help prevent flashover
- Pure alumina silicate ceramic insulator for strength and efficient heat transfer
- Copper core aids heat dissipation
- Triple seals help prevent gas leakage
- Designed for small 2-stroke outboard motors
NGK 7534 B6HS Standard Spark Plug Specifications:
Shell:
- Model Number: B6HS
- Part Number: 7534
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- Seat Type: Gasket
- Reach: 12.7 mm (1/2")
- Hex Size: 21 mm (13/16")
- Terminal Type: Removable Nut
- Overall Height: ISO
- Gap: 0.7 mm (0.028")
Centre Electrode:
- Material: Nickel
- Type: Standard
- Size: 2.5 mm
- Design: Non-Projected
Ground Electrode:
- Material: Nickel
- Type: Standard
- Quantity: 1
Electrical Performance:
- Resistor: No (Non-Resistor Type)
- Heat Range: 6
Installation:
- Torque (Aluminium): 25-30 Nm (18-21.6 lb-ft)
- Torque (Cast iron): 25-34 Nm (18-25.3 lb-ft)
Compatible Mercury / Mariner (2-stroke) Outboards:
- 2A, 2B, 3.5HP, 4HP (2-cylinder Gnat), 8A
Compatible Lightning (2-stroke) Outboards
- 25 HP Lightning (3-cylinder, international models)
Compatible Yamaha (2-stroke) Outboards:
- 2A, 2B, 3.5A/AC, 6A, 7A, 8A, 9A, 20A, 20B, 25CMK
Compatible Suzuki (2-stroke DT Series) Outboards:
- DT4, DT5PS, DT6, DT6S, DT9.9, DT15K
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