hmm interesting, dont wish to refute anyones claims here but i'll just speak from my experience. Never had to run a colder plug or side gap or do anything to the plug to fix something or improve performance on any my of my bikes (though i probably would have had a safer setup with a colder plug on my rd350 drag bike setup, that was extreme). I dont know how you can feel the performance gain from side gapping a plug but like i said, i wont refute it, i'm sure it does good. In the old days with 2 strokes plug fouling was common, now with the new 4 strokes that doesnt even happen. My experience says theres way more 'fruitful' ways of improving performance. The hesitation mentioned above shouldnt even be there if the bike is jetted right. I'd tend to agree with gixxer_junkies suspicion, sounds like something wrong in the electrics there (not the plugs). I also dont think the jerking issue has anything to do with the modded setup or compression (unless theres something wrong with ported head). You're not running some super turbo charged nitrous engine to have your spark blown out. I've run in excess of 200psi reliably on my apache on stock plugs and with some pretty extreme riding. Jetted correctly there should be no overheating either. my 2 cents
Last edited by Killer; 08-26-2010 at 08:47 PM.
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