NGK 6729 BP8HS15 Nickel Spark Plug for Mercury Marine 9.9-15 HP Outboard

6729 / BP8HS15 - NGK Spark Plug with Solid Terminal

1.5mm Gap

NGK standard plugs are constructed for longer life and optimum performance.

Trivalent metal plating provides superior anti-corrosion and anti-seizing properties

Corrugated ribs prevent flashover

Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer

Copper core aids in heat removal

Triple seals prevent leakage

Shell
Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 12.7mm (1/2")
Hex Size: 13/16" (21mm)
Terminal Type: Solid
Overall Height: JIS
Gap: .059" (1.5mm)

Center Electrode
Material: Nickel
Type: Standard
Size: 2.5mm
Projection: Projected

Ground Electrode
Material: Nickel
Type: Standard

Specifications
Resistor: No
Resistor Value: 1K Ohm
Heat Range: 8
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

Marine Outboard

Mariner

10 Magnum
10 Marathon
15 Marathon
2-Cyl
9.9 14mm Plug

Mercury

10, XR10, Sea Pro
15, Sea Pro
9.9 - 14mm Plug

• Mfg Part No: 6729 BP8HS15
• Related Part No: 6729 BP8HS15