NGK 4551 BR9HS-10 Standard Spark Plug
NGK 4551 BR9HS-10 Standard Spark Plug.
NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
Fits Yamaha outboard marine engines.
Specifications:
Shell
Thread Size: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Resistor: Yes
Resistor Value: 5K Ohm
Reach: 12.7mm (1/2")
Hex Size: 13/16" (21mm)
Terminal Type: Removable Nut
Overall Height: ISO
Gap: .039" (1.0mm)
Center Electrode
Material: Nickel
Type: Standard
Size: 2.5mm
Projection: Non-Projected
Ground Electrode
Material: Nickel
Type: Standard
Quantity: 1
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Brand: NGK
Heat Range: 9
Longevity: 30k Miles
NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
Fits Yamaha outboard marine engines.
Specifications:
Brand | NGK Spark Plugs |
---|---|
Cross Reference / Specs | B9HS-10
|
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