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NGK iridium spark plugs
Hi fitted a set(4) iridium plugs in the s2r during the winter DCR8EIX used the bike & seemed fine but then after a couple of weeks it seemed to loose a bit of response & even missed a bit so I checked them & they were all very sooty put the old ones back DCPR8E & it's been fine ever since . admittedly it was colder weather while I had the iridium plugs fitted & the journey was only about 10miles but has anyone else had problems with the iridium plugs ?? Just checked the originals I put back in & the colour is spot on .any ideas ?
Roger
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