Yes, I think your crazy. Mostly because of your experience level on motorcycles,2-3 times 10 years ago dosn't sound like alot of seat time to me and the ZX14 has a tremendence amount of horsepower and torque for a novice rider. Like others have said if you are a mature rider then you should respect what this machine is capable of but because you are a new rider then you might not truely understand what this machine can do.
Alot of riders that start out on 600cc bike and then immediately move into a 1000cc or 1300cc or ZX14 because they feel that they have out grown the 600cc in the first year or they are tired of getting left on the straights by the bigger cc bikes. Most everyday riders lack the ability to push a 600cc motorcycle to 80-90% of its potential and quickly upgrade the tool to make up for the short commings of the wielder.
What happens when people by 600cc or lesser displacement bikes to begin with it allows them to make mistakes that can be quickly corrected. What this does is gives you a foundation for dealing with future encounters but if they were to have made them same mistakes such as grabbing a hand full of throttle and thinking your up shift but you accidentally down shift the zx14 wont like that and may eject you for being stupid. With more horse power and torque the monsters will break traction without even thinking about it so be careful when executing turns from stops.
Just be careful. I understand that a lot of people say start out on what you want. Economically it makes scense. But each type of motorcycle is for a different level of rider.
I have owned a in order
first bike
1988 fz600 = total after a month, not having the experience needed, young and immature.
1987 vfr 700 = sold gas leaking piece of junk
2001 yzf 600r= still have
1992 fzr 600 = sold because I bought the zx12 and taught my wife on the fzr then gave her the yzf
2000 zx12 = spun a crank bearing, motor, locked up , spit oil all over the rear tire on interstate I95 could at 70mph, couldn't steer , couldnt break, had to guide the bike off the road all while being persued by a tractor trailer as im sliding down the lane (like this /) looked like I was drifting.
2001 cbr 929 = would have been my last motorcycle but some turd stole it and it was never recovered
2007 ZX14 = will be my last motorcycle baring any unforseen issues.
becareful and rack up seat time, dont weekend warrior it only.