Originally Posted by Janus00

I performed the clutch rod adjustment as stated in the video, and I have noticed a VAST improvement, there were about 4 full turns of slop left in the rod. The bad news is, my clutch master cylinder is slowly leaking (very slow leak, not dripping), its going to have to be replaced. I think this explains a great deal of my issues.

Originally Posted by Soviet

I have pretty much experienced this on all my S2000s and I have tried all the easy fixes. For most shifts I've found that it really depends on the transmission oil temp and the RPM of the shifting. The one shift that seems to do this pretty consistently is 2nd to 3rd. The only thing I haven't been able to do is grease the transmission input shaft, which I'm willing to bet is the perpetrator, especially since all my S2000s have been high mileage. I drove a 24k mile club racer the other day and there was little to no notchiness at all, it was amazing.