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 difference 2012, 2014 and 2016 
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Joined: Wed Apr 02, 2014 3:59 pm
Posts: 792
Location: Brisbane, Australia
Dose anyone know what the difference is in the engine cases between 2012/2013 and 2014/2015 and 2016/2017
There are 3 different part numbers for these but they are all the same price. I wasn't aware of any changes but there may well could be.
I am confident you could use any of them in combination with any internals but there maybe some updates in the machining. :dunno:

If I am getting a new set of cases I would like to get the best ones available.

I have now looked at 3 different gen 1 gen 2 engines with spun rod bearings and they all still have mains in great condition. That suggests there is something going on with the mains retaining oil pressure flow to the big ends to me. I recently measured 1 engine and the main bearing bores in the case were all over the place. :?: :?:

And if any of you happen to get a fantastic prices from a dealer that takes care of you I would be very interested and talking with you.

Thu Feb 23, 2017 1:08 am
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Joined: Wed Apr 02, 2014 3:59 pm
Posts: 792
Location: Brisbane, Australia
for those interested.
1 difference is 2012 transmission is NOT a direct bolt in for the 2016 cases

Wed Mar 08, 2017 2:48 am

Joined: Wed Mar 13, 2013 12:14 am
Posts: 205
whats different?

01 ZX-12R 8.84 @ 156.3 no bars, DOT rubber, Pump Gas NA..... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot... turbo 8.32 @173
00 ZX-12R 1: 222.046 1.5: 226.390 Loring AFB Worlds Fastest NA Kawasaki
00 ZX-12R street stealth turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
RCC Turbos & Color Me Gone Racing

Mon Jul 31, 2017 10:33 pm
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Joined: Wed Apr 02, 2014 3:59 pm
Posts: 792
Location: Brisbane, Australia
the bearing retainer on the sprocket side for the out put shaft has been moved outwards. approx .100". if you try to fit an earlier gear set it will be pulled across as the dead end just floats in the needle bearing. It will not shift into 5th or 6th, I am not sure if it would shift if you changed to the 2016 shift drum. However that drum uses a different type of gear position sensor ( rotary position sensor)
It also pushes the sprocket out that same .100" if you use the early spacer and not the 2016 spacer behind the sprocket on the outside of the transmission.

There could be other differences but I haven't yet had a chance to start up the new 2016 engine with a 2008 input shaft with 2012 gear set and a 2016 output shaft 2015 gear set and 2016 shift drum. Not likely to get a chance for a while yet, still trying to get a new header built with out any success.

Tue Aug 01, 2017 6:54 am
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