Ok guys i have a 2004 Yfz with a couple things done to it.......i was thinking maybe selling it to get the TRX-450r 06 with Electric Start........when i first was buying a quad, i chose the Z only because it had an electric start at the time while the 450r didnt. Now i have decided to either buy a 06 TRX or buy the new 523 Ice Cube Big Bore Stroker Kit. It will cost me 3000, for this kit, and if I sell my quad i will still need another 3000 to buy a TRX. Which should i do.....i mean the Z is in great shape.