spark plugs for KTM DUKE 640, 640 R ...

Here you will find all the spark plugs for your KTM DUKE 640, 640 R ... From the original range, performance and competition there is for all users! For your gasoline engine works perfectly, the spark plug should generate a powerful spark. If the latter is not optimal, the combustion of the air / fuel mixture may become incomplete. The mixture will be unburned and discharged into the exhaust system, which can clog, emit harmful gases to human health and the environment, see cause a mechanical problem like a leaky piston. Quality spark plug is an excellent thermal insulation, high thermal shock resistance, perfect heat dissipation. Each candle has its particularity to fit each engine, so you need to use a candle with a heat index adapted. This index is an average temperature measured at the level of the electrodes and the insulation.