EXUP Worldwide was born from the ashes of the original EXUP Brotherhood – the definitive forum for all those who have interest in Yamaha FZ, FZR, and YZF motorcycles.
As I was servicing the exup valve on my 97 Thunderace, 2 of the bolts that hold the cover broke, the 3rd one was just impossible to take out, so I flexed the cover back and forth until it broke off from the remaining bolt. I was able to service the exup, aligned, and lubed the thing and the rattle i...