Sorry it took me so long to get back. I ordered new plugs - Denso and put them in this weekend. I also cranked up my idle to 1300, it was around 950.
Here is what i have found out. During warm up of the engine. I was playing around with the throttle, holding it at various RPM's. At 2800 RPM's, the bike coughs and stutters like crazy. Not at 2500, it purrs smooth as silk, and not at 3000 RPMS or above. Remember this is during the initial warming up of the engine. (and i live in Texas, so the engine isn't really that cold, sitting in the sun at 100 degrees). I also decided to quit running 87 octane (i have since birth and never experienced any difference than the 92) and filled it up with 92.
So i take it for a test drive - it pulls really smooth at all RPM's - once warmed up. It will hold at 2800 no problem, with stuttering.
So it ran great Saturday, Sunday, Monday, Tuesday. Well on the way home today from work, i am in my neighbor hood, shift down into second to go into a turn and SPUTTER. I looked down and i was at 2800 RPM.
I have been reading on the UK forum lately. I am thinking i need to sync my throttle bodies?.? A few others have experienced what i am going through and this solved 90% of their problems. My other option i came across is my 0-2 sensor.
Note - i have added the cherry bomb exhaust.
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