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hey guys i need some help and was wondering if anyone knew what the problem was. Once in awhile i take my bike around 120 on the highway, but after i do that my bike seems to like lag and makes a wierd noise. after i leave it at home for the night it would be fine the next morning. but after i pumped the last tank of gas it started to lag on low and high RPMs and won't quit. i dunno if its the gas or something wrong with the bike. when i gas it to around 8k it sounds like my motor is about to explode... anyone have any ideaS??? by the way its a 99 r6 and i have about 12k miles.
 

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Hey, what kinda noise is it? I've got 99 too. But i've only had lagging problems in the past. Is the noise in the engine or from the exhaust?
 

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heebiedabajeebies!
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Interesting, I had a similar lagging problems with my 2003 3 weeks ago.
It was the coils on mine. I had 10k miles. The dealer replaced them.
My culprit would be your coils sicne my bike was running on only 3 cylinders! When you do check & replcae the coils, replace the plugs too.
 
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