Outboard Spark Plugs for Mercury, Mariner, Yamaha, Suzuki, Tohatsu, Johnson and Evinrude outboards .
If you don't know which Spark Plug to choose for your outboard please click on this link NGK Spark Plug Finder and follow the instructions.
NGK has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. In fact NGK produces and stocks over 1,000 different types of spark plug and every product matches even the most demanding manufacturers’ specifications. The vast experience and technology that NGK has ensures that there is no doubt that NGK are the world’s No.1 spark plug.
Resistor plugs
As well as reducing electrical noise for radio, television and mobile telephones etc, many modern ignition systems require resistor plugs to stop electrical noise from interfering with the vehicle’s on-board electronic control units (ECUs). Resistor spark plugs should always be fitted where specified.
NGK automotive resistor spark plugs contain a ceramic monolithic resistor. The resistor filters out excessive electrical noise generated by the ignition system. The most effective place to situate a resistor in the high tension circuit is as close to the spark plug as possible making the spark plug an ideal place to house the resistor.
In nearly all cases – apart from some very old low output ignition systems – resistor spark plugs can be used in place of the non resistor versions with no detrimental effect on engine performance, power output or vehicle emissions.
Outboard Spark Plugs for Mercury, Mariner, Yamaha, Suzuki, Tohatsu, Johnson and Evinrude outboards .
If you don't know which Spark Plug to choose for your outboard please click on this link NGK Spark Plug Finder and follow the instructions.
NGK has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. In fact NGK produces and stocks over 1,000 different types of spark plug and every product matches even the most demanding manufacturers’ specifications. The vast experience and technology that NGK has ensures that there is no doubt that NGK are the world’s No.1 spark plug.
Resistor plugs
As well as reducing electrical noise for radio, television and mobile telephones etc, many modern ignition systems require resistor plugs to stop electrical noise from interfering with the vehicle’s on-board electronic control units (ECUs). Resistor spark plugs should always be fitted where specified.
NGK automotive resistor spark plugs contain a ceramic monolithic resistor. The resistor filters out excessive electrical noise generated by the ignition system. The most effective place to situate a resistor in the high tension circuit is as close to the spark plug as possible making the spark plug an ideal place to house the resistor.
In nearly all cases – apart from some very old low output ignition systems – resistor spark plugs can be used in place of the non resistor versions with no detrimental effect on engine performance, power output or vehicle emissions.
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