Hello Guest User,

Please feel free to have a look around the forum but be aware that as an unregistered guest you can't see all of it and you can't post.

To access these 'Registered Users Only' areas simply register and login.

Unknown Disc Identity

Need help restoring, building, or finding then try here.

Moderators: chrisu, paul doran, Taffus, KeithZ1R

Message
Author
r3sc
Custard Cream
Custard Cream
Posts: 630
Joined: 24th Nov 2019
Location: Sheffield

Unknown Disc Identity

#1 PostAuthor: r3sc » Wed Dec 11, 2019 5:43 pm

Hi Guys,
Please see enclosed images of a disc which came on a front wheel that I bought for the hub some time ago.

The hub was fitted with a 5E dated rim.

The disc is 277mm in diameter and measures around 4.65mm thick and has the 4 mounting holes. The holes in the braking surface look like standard Kawasaki drill pattern.

The question is, does anyone know what bike this comes from as I want to put it on eBay as it’s surplus to my needs now.

I’ve cleaned it up a little with scotchbrite and re painted the centre satin black so someone should be able to get some use from it.

Please let me know what it might have been fitted to originally.

Thank You.
7E2F656E-B63E-4D56-BCAF-6E7D9CFFEE3D.jpeg
040D66A0-4FB8-4882-814D-B8B1C3703973.jpeg
541BA644-7229-4BF0-BC48-84E4F652567A.jpeg

User avatar
warren3200gt
Hardcore
Hardcore
Posts: 2716
Joined: 13th Jun 2014
Location: Dartford Kent

Re: Unknown Disc Identity

#2 PostAuthor: warren3200gt » Wed Dec 11, 2019 7:24 pm

Later twin disc 650 would be my guess
PUM 488 June 2023
76 Z900A4, 77 Z650B1, 77 KZ650B1, 77 Z1000A1, 82 Z1000J2, ZRX1100R.

User avatar
ADRIAN H
Hardcore
Hardcore
Posts: 4534
Joined: 21st Mar 2009
Location: Charminster. Bournemouth

Re: Unknown Disc Identity

#3 PostAuthor: ADRIAN H » Wed Dec 11, 2019 7:42 pm

Probably a 1979 onwards Z650.
adrianhorsfield@live.co.uk
Sunny Bournemouth. Dorset. UK.

Keefleaf
ZedHead
ZedHead
Posts: 1201
Joined: 24th May 2007
Location: Isle of Wight

Re: Unknown Disc Identity

#4 PostAuthor: Keefleaf » Wed Dec 11, 2019 10:41 pm

Front disc,rear disc ?
Rear discs are ‘shallow’ - difficult to tell from image.

r3sc
Custard Cream
Custard Cream
Posts: 630
Joined: 24th Nov 2019
Location: Sheffield

Re: Unknown Disc Identity

#5 PostAuthor: r3sc » Thu Dec 12, 2019 7:59 am

Hi,
I’m not sure if it’s front or rear. It came on a front hub but that doesn’t mean it is a front.
See additional images.

Thanks all for your help.
22774A0E-9BA0-481D-8622-FF19FBC93947.jpeg
0A4ADFD2-BDE0-4100-B952-9613436B2EA5.jpeg
0A4ADFD2-BDE0-4100-B952-9613436B2EA5.jpeg
Attachments
59FFCA0D-F865-4973-A082-2E555CE56A89.jpeg

Keefleaf
ZedHead
ZedHead
Posts: 1201
Joined: 24th May 2007
Location: Isle of Wight

Re: Unknown Disc Identity

#6 PostAuthor: Keefleaf » Thu Dec 12, 2019 7:23 pm

Does look shallow ?
Guess compare with another disc or two .

Philippe
Hardcore
Hardcore
Posts: 1999
Joined: 26th Oct 2017
Location: België

Re: Unknown Disc Identity

#7 PostAuthor: Philippe » Sat Dec 14, 2019 4:26 am

Hi r3sc
the disc was produced in the first 4 weeks of 1979. The 4 stands for the year; 1979, the A stands for the first 4 weeks of the year.
It could be a Z1000 MK2 front disc allthough I'm not sure about the diameter.
I 'm not familiar with Z650 parts . As far as I know it looks very much like a front disc because the connecting parts between the centre and the disc itself are "hollow". The connecting parts of the rear discs are not, they're a bit rounded.
GrtZ
Philippe
the differences between a little boy and an adult man is the price and size of their toys!

r3sc
Custard Cream
Custard Cream
Posts: 630
Joined: 24th Nov 2019
Location: Sheffield

Re: Unknown Disc Identity

#8 PostAuthor: r3sc » Sat Dec 14, 2019 10:39 am

Hello Philippe/All,
Thank you for your input and suggestions. I’m still not certain what it’s for but I’ll see how it goes. I have fitment options now!

Cheers.

User avatar
z1bman
Hardcore
Hardcore
Posts: 4671
Joined: 3rd Mar 2010
Location: WORDSLEY WEST MIDLANDS

Re: Unknown Disc Identity

#9 PostAuthor: z1bman » Sat Dec 14, 2019 5:46 pm

they are z650 c1-c3 discs. z1000 mk 2 are 296mm diameter

User avatar
ADRIAN H
Hardcore
Hardcore
Posts: 4534
Joined: 21st Mar 2009
Location: Charminster. Bournemouth

Re: Unknown Disc Identity

#10 PostAuthor: ADRIAN H » Sat Dec 14, 2019 9:49 pm

z1bman wrote:they are z650 c1-c3 discs. z1000 mk 2 are 296mm diameter


+1
adrianhorsfield@live.co.uk
Sunny Bournemouth. Dorset. UK.

User avatar
Sgt.Pinback
100Club
100Club
Posts: 295
Joined: 16th Feb 2019
Location: Leonberg

Re: Unknown Disc Identity

#11 PostAuthor: Sgt.Pinback » Sat Dec 14, 2019 11:02 pm

+2
Cheers, Uli

Z1, Z1000H, ZRX1100R, R90S

r3sc
Custard Cream
Custard Cream
Posts: 630
Joined: 24th Nov 2019
Location: Sheffield

Re: Unknown Disc Identity

#12 PostAuthor: r3sc » Sun Dec 15, 2019 9:09 am

Thanks guys,
Looking more conclusive now!


Return to “Bike Help”

Who is online

Users browsing this forum: No registered users and 44 guests