I have a '99 CBR900 and recently 2nd gear has been popping out under heavy acceleration so i decided to replace the mainshaft. I bought the mainshaft and everything but there are some washers/spacers that came out of alignment. The problem is i don't know where to put the washer/spacer in between the gears. Can anyone help me or are there any videos on HOW TO Assemble the mainshaft and countershaft from scratch? Would really appreciate any help.