CUSTOM FLOATING ROTOR FOR KZ650

In an attempt to shave weight and improve braking perfomance, I got an idea of making my own 11 1/2" semi-floating rotor, rotorhat and mating it to a '00 ZX12 6-piston tokico caliper. Here's what I came up with.....

backside detail

'00ZX12R caliper. Still need to make bracket.

Button detail. Using snap rings instead of riveting.

Hell of a good job. Looks great.

you sir are an evil genius!

Just a $15 chunk of aluminum mated to a blank harley 2-pc rotor add some stainless buttons and there you go... or stop!!!

wow im doing the same thing almost, except im using cbr900 rotors using spacers to bring them away from the wheel, i hope your bike has mag wheels i found out the hard way, spoke wheels are wider comeing from the hub and the 6-piston calipers are wider than the single piston thats stock, i got a pair of calipers just like yours there off a zx6 let us know how this project progresses

gorack wrote:

i hope your bike has mag wheels i found out the hard way, spoke wheels are wider comeing from the hub and the 6-piston calipers are wider than the single piston thats stock

6 piston calipers usually work with mag wheel only as there is not enough clearance for the inner pistons to clear the spokes.

You are also limited by the width of the forks (you can only space out the disc so far before it hits the fork leg).
The only 6 piston I have put on a spoked wheel was on my CB 750 SOHC (with a wider GL 1000 front end), even with the wider forks and spaced out discs, the clearences(fork leg to disc, calipers to spoke) are still very tight.


Heres a link (theres a KZ 900 dual disc in there)

www.geocities.com/fischervintagecycle/Fischheads.html

well fish your exactly right i think i can make it work, yes very tight tolerances, the right side shiuld be ok but the left side with the speedo is going too be a little tricky:unsure: i;ll be watching this tread to see how wompy fairs at his project, the pic of the 900 looks to be the same parts im attempting to use [cbr rotors and 6- piston calipers] it looks like there on a 18 inch wheel which would make the spokes come in at a quicker angle freeing some clearance if my thinking on this is correct any body please feel free to chime in and give your thoughts on this

Yes I'm using the seven spoke mag wheel. Stock hat spacing is .925" and mine is 1.000" for clenough clearance between spokes and forks.
Fish, your kits are awesome but I guess I'm taking the poor man's route and making them myself. I've done springer brackets also with tokico calipers that have come out pretty good too. Having a cnc mill and lathe helps alot. Not mine of course but I have a boss who's very much into motos too.

wompy5000 wrote:

Fish, your kits are awesome but I guess I'm taking the poor man's route and making them myself.

Thanks for the compliment,
If you have the means to do it yourself, go for it.
If someone has the means to do it themself and still pays someone else to do it for them, that would be the "stupid man's route".:laugh:
I've never made the hat to fix the rotor to (manual mill, manual lathe)but yours looks real nice. If I had to make something like that on my machines, that would be a lot of turning handles and checking dials. Sounds like too much work to me!(now,if I had a CNC...hmmm.... )


My next project will be AP Racing 6 pistons on a 81 Honda CBX front end for a business associate. The butt-ugly Comstar factory Honda mags often have the same-ish dimensions as the spoke wheels so this one may be "interesting". I'm waiting on the CBX wheel to arrive now.
Man they are some nice light-weight calipers!!

Keep us informed on your progress.