pillion

Hi, have a brand new RC390 and obvs want to put on a tail tidy .. but .. I can’t get the pillion seat off as the screw holding it in just keeps spinning and won’t come out .. anyone else come across this problem?.. otherwise I’m going to have to make the lamest warranty claim ever Cheers

1week ago i have noticed that i have got top speed of 150kmph with pillion on my RC390. It should do atleast 172kmph. My weight - 66kgs Pillion weight - 69kgs ANY SOLUTION PLEASE HELP :)