1996 Honda VF 750 C Magna "lost keys" Questions

I lost my key and need to find the key code. Is there any way to do this without removing the gas tank? GO TO A HONDA DEALER WITH YOUR LOG BOOK THEY SHOULD BE ABLE TO GET IT FOR YOU BUT YOU MAYHAVE TO

...for a moment and shut motor off. When I turned key on and starter began to turn, all of a sudden lost all electrics. Fuses are all good and ignition switch is good. Power is getting to ignition ...

...lost his keys! My problem is that the RPM at 2000 stops ,moving down a bit and then up again. I feel it in lower gears. It gets better when it worms up and as much as i understand it that means that ...