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Discussion Starter · #1 · (Edited)
I have just finished converting a ZX9R 03 to EFI,using mostly Kawasaki parts. It's actually cheaper than a set of 41 FCRs,so I thought why not


Parts I used is

Z1000 03-04 ECU harness-sensors-rectifier- dash etc.
Z1000 crank rotor and Z1000 exhaust cam pin
98-99 head ported-milled-cometic head gasket ( 98-99 head has bigger intake ports and cam sensor already installed)
ZX10 04-05 throttle bodies with modified ZX636 intake rubbers
Z1000 barrels and pistons for +2mm overbore ( 953cc engine) Barrels need a lot of modification as they are slightly bigger and 5mm taller
Pistons are drop in,oil passage to the head needs to be opened up a bit,because ZX9s use a "tube" after the barres which doesn't exist on the Z1000 head
New mounts welded on the barrels and the head
In-tank fuel pump installed in the stock gas tank ( this one is from a Yamaha FZ1,just because I had a crashed fuel tank laying in the shop)
Z1000 07-09 Akrapovic exhaust
PCV and wideband2 as autotune from a Honda CB1000R with extended map up to 13000 rpms for quick fuel tuning
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Discussion Starter · #3 · (Edited)
Of course I installed 4 short stacks,these are from a 1st gen Hayabusa and with slight modification of the stock airbox and the stacks I was able to keep the stock airbox which simplifies this conversion a lot

Since the bike performed so well I'm now going to install staged injection with secondary fuel rail from a 08 ZX10R installed in the airbox,and swap to a ZX6RR '04 ecu which drives 8 injectors and has the exact same connectors as the Z1000 ECU,and requires only a little rewiring. More on that subject when it's finished

The fuel rail mounting plate was quite bulky so I cut it a bit,it now fits in the airbox and the lid is almost closing,it will need a slight modification too

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I also welded bungs on each primary header so I can tune each cylinder to spec,and take full advantage of the fuel injection

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The PCV from the CB1000R was a left over and it has the same grey injector plugs,fitted on the injector plugs and works perfectly on the Kawasaki. Wideband2 is actually an autotune device that can also work stand alone and also drive an external gauge to monitor the AFR,both devices installed at the tail and will be removed after tuning is completed

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Everything looks in place and ready for the gas tank
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The gas tank now has a new bottom
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You must REALLY love the ZX-9R! I can't blame you. They're great bikes and I always wanted one back in the day when I had a similar gen 6R.
 

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I have just finished converting a ZX9R 03 to EFI,using mostly Kawasaki parts. It's actually cheaper than a set of 41 FCRs,so I thought why not


Parts I used is

Z1000 03-04 ECU harness-sensors-rectifier- dash etc.
Z1000 crank rotor and Z1000 exhaust cam pin
98-99 head ported-milled-cometic head gasket ( 98-99 head has bigger intake ports and cam sensor already installed)
ZX10 04-05 throttle bodies with modified ZX636 intake rubbers
Z1000 barrels and pistons for +2mm overbore ( 953cc engine) Barrels need a lot of modification as they are slightly bigger and 5mm taller
Pistons are drop in,oil passage to the head needs to be opened up a bit,because ZX9s use a "tube" after the barres which doesn't exist on the Z1000 head
New mounts welded on the barrels and the head
In-tank fuel pump installed in the stock gas tank ( this one is from a Yamaha FZ1,just because I had a crashed fuel tank laying in the shop)
Z1000 07-09 Akrapovic exhaust
PCV and wideband2 as autotune from a Honda CB1000R with extended map up to 13000 rpms for quick fuel tuning
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Hi would you be able to do a kit for the zx7r thanks ed
 
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