NGK 7839 DR7EA Nickel Spark Plug
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Precision spark plug for smooth combustion
The NGK 7839 DR7EA Nickel Spark Plug delivers reliable ignition for smooth combustion and stable engine performance. Designed as a standard nickel alloy resistor plug, it supports efficient, reliable operation across powersports applications and select mid-range marine outboards
NGK 7839 DR7EA Nickel 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
NGK 7839 DR7EA Nickel Spark Plug Specifications:
Shell:
- Model Number: DR7EA
- Part Number: 7839
- Thread Diameter: 12 mm
- Thread Pitch: 1.25 mm
- Seat Type: Gasket
- Reach: 19 mm (3/4")
- Hex Size: 18 mm
- 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: Yes (5k Ohm)
- Heat Range: 7
Installation:
- Torque (Aluminium): 15-20 Nm (10.8-14.5 lb-ft)
- Torque (Cast iron): 15-25 Nm (10.8-18 lb-ft)
Compatible Motorcycle Models:
- Honda: CB-series and select mid-size engines specifying a 12mm thread
- Yamaha: XT250, XT600
- Suzuki: Boulevard C50, Boulevard M50
Compatible ATV & UTV Models:
- Yamaha: Raptor 250, Kodiak 450
- Suzuki: Ozark 250, Quadsport 250
- Kawasaki: Lakota 300
Compatible Honda (4-Stroke) Outboards:
- Mid-range 3-cylinder models: BF25, BF30, BF40, BF50 engines
Compatible Small Engine Models:
- Fits select compact utility tractors, portable generator engines, and industrial pump systems requiring an M12 x 1.25 resistor spark profile
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