I've got about 3000 on my bike now. Yes, I plan on switching to synthetic on my next oil chane. I may wait till about 4000 miles since I did a change at 1200 miles. I'm also gonna try a bigger filter. There's a guy on the Kawiforums that found a bigger Purolator filter that works on the 10s.idratherBzx10en said:ZX10 Guy - how many miles do you have on yours and what oil are you using. I saw a major drop in engine temp when I did an oil change at 3000 miles and switched to full synthetic oil.
I havn't noticed all the noise and vibration you seem to be experiencing however it does have a resonance at 4k as you said but nothing I can feel I just hear it going down the road in 6th gear.