KZR's Bikes of the Month for 2024

The Free Z650F2

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23 Apr 2022 12:24 #866011 by Bevelhead
Replied by Bevelhead on topic The Free Z650F2
My mate collected the Z650 wheels from Triple S along with the disc adaptor rings which have been cerokoted, not used that finish before. Had the wheels done in a satin gold powder coat.

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Not much room in the garage, Z650 and MK2 frames waiting for work. 
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26 Apr 2022 17:16 #866203 by Bevelhead
Replied by Bevelhead on topic The Free Z650F2
Managed to get an hour or so on the bike today, small progress, but progress nevertheless, fitted new swing arm bearings and fitted it into the frame. I had a good pair of shocks from a ZRX1200, so they went on next. The ZRX being a little lighter than an old Z650, so the spring rate should be ok. However, the top eyelet is 17mm, while the Z650 mounting stub is only 14mm. Will have to make a pair of sleeves to take up the difference..
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26 Apr 2022 20:44 #866206 by 750 R1
Replied by 750 R1 on topic The Free Z650F2
Did you make the caliper brackets before you painted/powder coated everything ?  I ask because I never paint the mating surfaces on the wheels.
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27 Apr 2022 02:00 #866209 by Bevelhead
Replied by Bevelhead on topic The Free Z650F2
The caliper brackets aren't painted, just polished, If needed could have them hard anodised, as that doesn't change the dimensions of the part.

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27 Apr 2022 07:19 #866220 by Skidmark
Replied by Skidmark on topic The Free Z650F2
Just for the record - regular anodize does not build up the surface, but hard anodize does.  Depending on the thickness of the hard anodize, it is half penetration into the aluminum, and half build up.  This is not much as most hard anodizing is no more than .003" - .004" thick, but that build up needs to be considered depending on the application.  FYI
Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker (lost in the shop fire)

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27 Apr 2022 15:33 #866256 by Bevelhead
Replied by Bevelhead on topic The Free Z650F2
Fitted the tail section and new seat, so I can work out how to mount the ER6 rear lamp. Realised the bike doesn't have a seat lock.. pity as new ones are £82..

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27 Apr 2022 15:43 #866259 by 750 R1
Replied by 750 R1 on topic The Free Z650F2

The caliper brackets aren't painted, just polished, If needed could have them hard anodised, as that doesn't change the dimensions of the part.

Maybe i should have been clearer. I mean the disc mating surface, the wheel where the disc bolts on and the disc adaptor surfaces, the surfaces where they bolt together should be left unpainted...

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27 Apr 2022 16:12 #866260 by Wookie58
Replied by Wookie58 on topic The Free Z650F2
+1
1982 KZ1000 Ltd
www.kzrider.com/forum/11-projects/617631...-82-begins?start=192
kzrider.com/filebase-alias?view=download...d-fault-diagnosis&ca

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27 Apr 2022 16:13 #866261 by Bevelhead
Replied by Bevelhead on topic The Free Z650F2
The powder coaters specialise in bikes, so they know not to coat bearing surfaces , brake mating surfaces etc. The adaptor rings have been cerakoted, which I was assured works like hard anodising, certainly the threaded holes of the coated rings took their bolts no problem. 

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27 Apr 2022 16:16 #866262 by Wookie58
Replied by Wookie58 on topic The Free Z650F2
You do really nice work and obviously know what you are doing, the only concern is that having a coating can cause the disc to run out of true and could cause pad knock back, this is of course only my opinion
1982 KZ1000 Ltd
www.kzrider.com/forum/11-projects/617631...-82-begins?start=192
kzrider.com/filebase-alias?view=download...d-fault-diagnosis&ca
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27 Apr 2022 16:23 #866264 by Bevelhead
Replied by Bevelhead on topic The Free Z650F2
For sure, hence I went for the expensive option of cerokoting the adaptor rings.

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27 Apr 2022 20:13 #866271 by 750 R1
Replied by 750 R1 on topic The Free Z650F2

You do really nice work and obviously know what you are doing, the only concern is that having a coating can cause the disc to run out of true and could cause pad knock back, this is of course only my opinion

You'd be surprised at just how little it takes..
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