Disconnect clutch cable turn fuel off and lay bike on left hand side(I took clutch lever off as I was installing a left hand rear brake with 2 finger clutch over-ride)
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Remove clutch cover
Remove bolts and springs from pressure plate and remove pressure plate, clutch throw out and clutch plates (keep clutch friction plates for re-installation later.
Bend the tabs of the retainer ring away fron the clutch center hub and undo hub nut. I found holding the rear brake on with the bike in 4th gear and using a large breaker bar worked well or use a rattle gun if you have one.
This is what you are left with once you remove the center clutch hub.
Your half way there now.
Now install the new center clutch hub that comes in the Z-start pro kit, make sure you put the original thrust washer that was under the original clutch hub back in first.
Install the locking tab that comes in the kit with the flat washer from the same pack on followed by the original center clutch nut which I did up tight(you might want to get the actual torque spec)
Install the clutch plates starting with a steel drive plate supplied in the kit followed by a friction plate removed earlier untill 8 of each are fitted.
Install the inner(lower) section of the Rekluse centre clutch hub.
Install the retaining snap ring that secures the inner hub to the outer section.
Re-install the original throw out with bearing with supplied rekluse throw out spacer and spring carrier on top.
Refer to tuning chart and decide what spring will suit your requirements and install spring over spring carrier mounted on throw out.
Cover any larger gaps between engine case and clutch basket with tape incase you drop something in the next few steps.
Away from bike place steel balls into slots of Rekluse pressure plate(check balls are correct size and that you have 30 of them, the ones supplied in my kit were a size to big and I only had 27 of them. Rekluse did not reply to my email as to why but the local bearing shop fixed me up with the correct size balls)
This picture shows how it will look if the balls are the wrong size, notice the closest ball is a Tungsten Carbide ball which you get 5 of in the kit which is the size the steel balls should be.
This is how it should look with the correct size balls.
Place Recluse top plate over pressure plate and with holes aligned screw to clutch assembly with torx screws and loctite provided.
With supplied wire guages check friction plate clearance.
Install clutch cover(after modifying slightly as per instructions or purchase deeper Rekluse bling cover)
Job done, all that is needed is to top up gearbox oil as you will need a bit more, adjust clutch lever freeplay with engine running and then break in clutch.
I found the instructions fairly easy to follow but they could have done with a few more pictures. There is also a confusing error at step 22 it should say skip to step 24 not 23.
Good maintanance starts with a great place to do it, and it looks like you have both under your wing there. 
but you did this one on purpose (gently) so it's ok. 
