2007 Suzuki GSX-R 1000 "mod toys" Questions

...sits at the bottom of the bike. Thought that info might help, other than that, there have been no mods. to engine components. Help, it's annoying me to death!! ya checked the speedo cable try ...

I have a 2003 yz 125 and I put a pro circuit PLATINUM pipe and some power reeds on it now and my buddy say I need to rejet my bike for my new mods. How do I find out what it should be at for the ...

Hayabusa mpg I'm picking my bike up on the 25th and had some general questions... I know most don't buy a 'Busa for MPG, but what do your's get? I saw where Sport Rider got something like 37-38 ...