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What do you zx12 guys run for plugs. I know the stock ones are platinum, but has anyone cross referenced an iridium plug for them? I figured this thing has a set of stock plugs in it from year 2000. When it's cold outside it takes about 3 times of sputtering before she will stay running. I do run a aftermarket fuel pump and fuel filter since this engine has been transferred from a bike to a car. I thought it might be due to me running such high of fuel pressure (55 lbs) but my dads 2005 zx12 fires up with no problems and are pretty much modified the same way. I also noticed that the throttle body's are different with his having the extra butterflies in them im guessing to help with cold start. Could this be a problem? I know the 2k didn't come with them. Any help would be awesome -chris
 
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