The NGK CR5EH-9 is a genuine NGK resistor spark plug designed for reliable ignition, smooth engine operation, and consistent performance in marine engines, motorcycles, scooters, and small petrol engines. It features a standard nickel centre electrode, resistor construction, and a factory-set 0.9 mm spark gap.
Spark Plugs
NGK Nickel Spark Plug CR5EH-9 (6689)
SKU: GB-CR5EH-9
$8.80
Key benefits
Features & Benefits
- Reliable ignition performance
- Excellent cold starting
- Smooth idle and throttle response
- Resistor design reduces electrical interference
- Trivalent metal plating provides corrosion resistance
- Designed to meet OEM spark plug requirements
Specifications
- Brand: NGK
- Part Number: CR5EH-9
- NGK Stock Number: 6689
- Plug Type: Resistor Spark Plug
- Thread Size: M10 × 1.0
- Reach: 12.7 mm (19 mm overall insulator reach)
- Hex Size: 16 mm
- Seat Type: Gasket
- Heat Range: 5
- Electrode Gap: 0.9 mm
- Terminal Type: Thread Terminal
- Electrode Material: Nickel
- Resistor: Yes
Marine / Outboard Applications
- Honda Outboards
- Common applications include
- Honda BF6 4-stroke outboard (selected models)
- Honda BFP8D 8HP 4-stroke outboard
- Honda BFP9.9D 9.9HP 4-stroke outboard
- Honda BF20 / BF20D 20HP 4-stroke outboard
- Honda BR20D 20HP 4-stroke outboard
Other Applications
- Suitable for selected
- Honda motorcycles
- Honda scooters
- Small petrol engines
- Recreational equipment
- Marine engines requiring CR5EH-9 specification
Important
- Spark plug applications can vary by engine model, production year, and serial number. Always verify the correct spark plug using your engine manufacturer's parts catalogue or service manual before installation. This is especially important where manufacturers changed ignition systems during a model's production run.
Shipping
Ships Australia-wide