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CB500/550 / Re: NGK plugs for 500
« Last post by deltarider on Today at 08:22:10 AM »Not necessarily, but realise you'll then have a total of 20kΩ resistance in a circuit... Personally I consider that a lot and it is not needed. The French manual, that has been composed in colloberation with Honda France, advises to replace plugcaps when they read 8kΩ or more. Claims made by some members of the international forum - and nowhere else! -that adding resistance is benificial for spark duration, have so far remained unproven. And even then it remains to be seen it will effect in better running.