sr71
Parking Attendant
Posts: 18
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posted January 21, 2002 07:13 AM
ZXR750 -> ZX12R. Buyers Guide
My first post...although I've been trawling the site the last few months trying to soak up some of the wisdom on this great site here.
I'm a power-deprived ZXR750J1 owner who desperately needs...ooooo...about another 60hp at the rear wheel.
Being in love with virtually anything with the name "Kawasaki" on it, and mildly abusive towards all my Hayabusa mates, there is only one bike for me...the monster ZX12R in the fastest colour of them all....SILVER! Hahaha.
Can one of you wizards point me in the direction of a Buyers Guide thread, or something similar regards the important things I need to consider buying a 2nd hand 12? www.zx-12r.org has been helpful.
I'm in the market for a 2000 bike with about 2000 miles on the clock (i.e., broken in) 'cos I can't stomach the idea of buying a new bike then losing £1200 just by driving it out the showroom. Also I can't stomach the idea of not red-lining it from day one!
My particular concerns are, how can I tell if the former owner has broken the bike in proper as it appears from what I've read, this is critical with the 12?
Also having test-ridden a 12, the fuel injection seemed somewhat jerky at about 8000rpm. Is this a familiar idiosyncrasy and can it be smoothed out...via a PC map?
I plan to ride the bike stock for a while until I learn the ropes with 160hp at the rear. I'm gonna have to try and learn to keep the front end down. B*****t am I. Who needs 2 wheels when 1 will do!
Much obliged for any help you can offer and any other suggestions as to important considerations.
J
"If the can ain't blue, you ain't riding it hard enuf."
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If you're still in control, you ain't going fast enough.
  
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ZX12Girl
Pro
Adrenaline Junkie
Posts: 1740
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posted January 21, 2002 04:09 PM
Well...
I don't remember any thread that was about "Buyer's info", so I can't help ya there!
Now, I am not a mechanic but I really think that you can only do the same mechanical test's that you do when buying an automobile!
You can check if there is excessive wear on the following -
- Fork Seals (Wheelie's)
- Sprockets / Chain (Hard acceleration)
- Brakes
- Tires
Keep in mind that the amount of wear would depend on the milage of the bike! I would look at the overall condition. Most people that take good care of the cosmetic appearance (scratches, scuff marks), will also respect it!!!
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Life is an adventure. Are you driving?
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ZX12Girl
Pro
Adrenaline Junkie
Posts: 1740
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posted January 21, 2002 04:11 PM
quote:
Also having test-ridden a 12, the fuel injection seemed somewhat jerky at about 8000rpm. Is this a familiar idiosyncrasy and can it be smoothed out...via a PC map?
I don't have that issue with my Akro / PCIII!!!!
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Life is an adventure. Are you driving?
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redelk
Moderator
Please... speak to the hand.
Posts: 3212
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posted January 21, 2002 07:23 PM
 Edited By: redelk on 21 Jan 2002 19:24
It's been so long since I had the OEM pipe on...
I can't remember if there was any "jerkiness" around 8K. If there was, the pipe (mine's a Muzzy) took care of it. That's even before I got the PCIII. Having gone from a 750 ('97 ZX-7R P2) to the 12R, I can attest that it will be quite a change for you. I too, can't remember seeing a specific "buyer's guide" thread on used 12Rs, but I agree that it should be treated like any other used bike purchase. There isn't really anything that is "12R specific" you will need to look for.
Some of that "jerky" feeling might be due to the "soft touch" a FI bike requires. Throttle transition is very similar to that of a bike with flat slides. A FI bike will not be as tolerant of "whacking" the throttle off, then on, as a carburated bike would be. It's is something that does take getting used to. Especially when you exit an apex. If it is in these conditions you experence this, try a slightly gentler throttle transition.
On the other hand, if it is occuring during straight line accelleration and the bike seems to stumble at around 8K, I'd think that it would be a matter worth investigating.
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There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.
-Ernest Hemingway
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