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-   -   ZX12 vs ZX14 (https://www.zxforums.com/forums/zx-14-forum/19669-zx12-vs-zx14.html)

Kawa-zuki 03-21-2009 11:57 AM

ZX12 vs ZX14
So which is better/faster?

1882 03-21-2009 04:44 PM

I'm going to go out on a limb here but my guess would be that the 14 gets the nod, but just barely...:smile

jollyroger 03-21-2009 07:24 PM

Had a zx12-PCIII,stock except for muzzy trigger advance(4 degree).Quick,fast.Excellent bike-tad buzzy. ZX14-Master,smoother,as quick(handling,acceleration).Better brakes-better bike. More options.More power.:mfclap

snakeman34 03-22-2009 11:22 AM

zx14 zx12 both are WAY BETTER than any Harley(oil leakers)

Shifty1 03-22-2009 11:39 AM

Faster-ZX14. Better-matter of opinion.

ZuluNinja 03-25-2009 01:26 PM

aaaaa this topic always comes up.... to each their own, zx-12 owners are willing to chop off one nut defending their bike's supremacy, while us zx-14 owners grin... who knows? A friend of mine has a 12 and was dying to drag me a quarter almost stock, his only mod being a sawn-off pipe and a slam/stretch. So far it hasn't happenned and my baby got yoshi slip-ons now, but is something I am eager to find out.

BlueBomber14 03-25-2009 06:50 PM

+1 +2

I would only add that my regular riding partner has a 12r with a head kit on it, PC, slammed and stretched 6" and I got him in every respect! Granted I'm slammed and running a PCIII with filter and flies out but even when it was stock I was still taking him everywhere. No dis to the 12 owners I really do like the 12 I think it is one of the best bikes ever made but it is not a match for the 14, Performance wise that is, looks wise I feel like many do that is truely a matter of taste.

RedneckHillbilly 03-25-2009 07:20 PM

Blue....quit teasin the 12 guys and go back to eatin Busas

Ratfink 03-28-2009 07:20 PM

14 any day of the week but that 14 better not runa 10 with a good rider on it

Aurora Dan 03-28-2009 08:22 PM


Originally Posted by 185EZ (Post 131069)
Strange question? :headscratch
Buy the 12 so i can kick yur @$$ on my 14 :evil

:rotflmao, 12r owner, but brute strength gotta go w/the 14, LOOKS...12r wins HANDS DOWN!! :crazyloco

ZuluNinja 03-30-2009 04:48 AM

looks, it's a matter of personal taste; I gotta say, my friend's black 12 dropped and stretched with chrome rims is sure a looker... looks almost as good as my 14! hahahaha

BadWolf88 03-30-2009 07:19 PM

i like a busa better than both, but id probably like a cbr1100xx over them all, you just dont see them any more.

RedneckHillbilly 03-31-2009 06:05 AM

Theres a bunch of them blackbird jockeys at sporttouring.net

sweet bike I guess if you want a shetland pony...:nana:thefinger

golden city ninja 03-31-2009 07:35 AM

a very smart man once told me "there is no replacement for displacement". sorry 12guys. 14 handsdown

olajoe808 11-26-2017 10:26 AM

HJey guys: Old thread but very relevant. The 14 wins on displacement yes, perhaps refinement among other things, etc. but shave off some of those cubes and what's really underneath.

Wet weight: 545 lbs. 91.2 lb-ft at the wheel. 1.24 lb-ft per in3 (73.2in3)

Wet weight: 593lbs. 113.2 lb-ft at the wheel. 1.28 lb-ft per in3 (87.9in3)

Difference in torque per in3: .04 lb-ft to the zx14r. At the same displacement (73.2 cu in) of the zx12r this would amount to 93.69 lb-ft (1.28) * 73.2 for an increase over the zx12r by (93.69-91.2)= 2.496 lb-ft. or roughly 3% more

Difference in weight: 8% less goes to the zx12r
At the same weight and displacement of the zx12r the zx14R would have to make (1.08 * 91.2) = 98.496 lb-ft to match the zx12rs power to weight. Therefore at the same displacement as the zx12r, the zx14rs 93.69 lb-ft is (98.496-93.69) = 4.8lb-fts or roughly 5% less.

Although power to weight is usually between hp and weight, here let's use torque. The difference between the two, .03-.05 = -.02 = 2%. Older technology does not equate to less performance

All my #s for both bikes are from wiki.

olajoe808 11-26-2017 11:43 AM

You work hard for your money. Why not get more for it?

Vote ZX-12r for ROTM and get more bang for that buck.

How much more bang? As much as 2% more but who's counting. Vote today. :smile2:

Hammerhead 11-26-2017 12:29 PM

12R-mos beautiful bike ever to come out of KHI. Put the plastic on a Zx=14R chassis. Styling took a hit as technology progressed, IMO.

olajoe808 11-26-2017 12:36 PM


Originally Posted by Hammerhead (Post 3987730)
12R-mos beautiful bike ever to come out of KHI. Put the plastic on a Zx=14R chassis. Styling took a hit as technology progressed, IMO.

Noticed you were going on a long ride. Have a save trip and return.

Kancha 11-26-2017 01:12 PM

I sure when Kawasaki put the ZX14 out on the market, they said “Here’s our new bigger motorcycle, but it’s slower than its little brother”.

JBear 11-26-2017 01:20 PM

You buy the ZX14 because it's the baddest in town.
You buy the ZX12 because you're the baddest in town.

There ya go.

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