9000rpm

Hi All, I'm new to the community and proudly own a 2004 RSVR Factory, 2002 Mille R and I'm in the middle of restoring a 1996 RS250 Biaggi replica. I'm having an issue with the 2004 RSV factory and wonder if any of you experts can help. It's been of the road for 1 year and battery ran flat...

I've owned my 2000 rsv r for about 6 months. I thought it was running fine until my brother bought one. His bike revs to about 10500rpm but mine wont rev past 9000rpm. I have changed the plugs, air filter and checked the valve clearances. I've also changed the eprom chip back to standard but...