The NGK CR5HSB is a high-quality, resistor-type spark plug featuring a copper core for efficient heat dissipation, corrosion resistance, and reliable ignition performance, widely used in small 4-stroke engines such as generators, pumps, scooters, and garden equipment. It has an M10 x 1.0 thread, 12.7mm reach, and a 16mm (5/8") hex size.
Key Features & Specifications:
- Part Number: CR5HSB
- Fits: Honda GXR120, GX100 & GXH50 engines
- Thread Diameter: 10mm
- Thread Reach: 12.7mm (1/2")
- Hex Size: 16mm (5/8")
- Tip Material: Nickel Alloy
- Core Material: Copper
- Resistor: Yes (5 kOhm)
- Gap: 0.6mm - 0.7mm (0.024" - 0.028")
Benefits:
- Corrosion Resistance: Trivalent metal plating helps protect the plug from corrosion and seizing in aluminium cylinder heads.
- Improved Performance: The copper core and nickel alloy electrodes provide effective heat transfer and long service life.
- Consistent Spark: The resistor design suppresses electrical interference, ensuring stable ignition and smoother engine operation.