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Front break upgrade
Moderators: chrisu, paul doran, Taffus, KeithZ1R
Front break upgrade
Hi all
Could anybody tell me how I go about adding a second disc
Disc , calliper etc to my 1974 Z1b , as you know
they are double disc on later models so would
the existing wheel and forks work or need to replace them. Cheers
Could anybody tell me how I go about adding a second disc
Disc , calliper etc to my 1974 Z1b , as you know
they are double disc on later models so would
the existing wheel and forks work or need to replace them. Cheers
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- ZedHead
- Posts: 1179
- Joined: 25th Feb 2008
Re: Front break upgrade
you need second disc opposite caliper ,twin break line splitter ,second break hose ,twin disc master cylinder,fixing bolts etc,brake hose guide as well
Re: Front break upgrade
Original twin brake set up also uses thinner disc's to reduce unsprung weight so you'd need to source 2 new discs if going down the factory route. ....
ʎɐqǝ uo pɹɐoqʎǝʞ ɐ ʎnq ı ǝɯıʇ ʇsɐן ǝɥʇ sı sıɥʇ
Re: Front break upgrade
Never knew a z1b DD conversion used thinner discs, thought it was only z900/z1000 that used the thinner discs.
-
- ZedHead
- Posts: 1179
- Joined: 25th Feb 2008
Re: Front break upgrade
Garry.L wrote:Original twin brake set up also uses thinner disc's to reduce unsprung weight so you'd need to source 2 new discs if going down the factory route. ....
or have ya discs skimmed?
Re: Front break upgrade
The simplest way would be to shove a Z650C front end in. You can reuse your spoke wheel
Why do I persist in debating with idiots ? I really should know better
Re: Front break upgrade
Z-Power will have all you need,
http://www.z-power.co.uk/z900-z1-z1a-z1 ... right-z1ab
http://www.z-power.co.uk/z900-z1-z1a-z1 ... isc-6-hole
http://www.z-power.co.uk/z900-z1-z1a-z1 ... ouble-disk
http://www.z-power.co.uk/brake-hose-bottom
http://www.z-power.co.uk/brake-pipe-metal--right
http://www.z-power.co.uk/bracket-brake-hose-right-003
http://www.z-power.co.uk/z900a4-kz900b1 ... -box-4-way
http://www.z-power.co.uk/z900-z1-z1a-z1 ... right-z1ab
http://www.z-power.co.uk/z900-z1-z1a-z1 ... isc-6-hole
http://www.z-power.co.uk/z900-z1-z1a-z1 ... ouble-disk
http://www.z-power.co.uk/brake-hose-bottom
http://www.z-power.co.uk/brake-pipe-metal--right
http://www.z-power.co.uk/bracket-brake-hose-right-003
http://www.z-power.co.uk/z900a4-kz900b1 ... -box-4-way
Zeds-R-Us
Re: Front break upgrade
A1John wrote:Never knew a z1b DD conversion used thinner discs, thought it was only z900/z1000 that used the thinner discs.
Correct, the Z900-A4's came as standard in the UK with twin discs, which were thinner than the earlier Z1/A's/B's.
Upgrading the earlier Zeds to twin discs involved fitting a second thicker disc as the later thinner items had not been made at that point.
Also, the Z900 discs had four mounting bolts whereas I understand some of the earlier Zed discs had six mounting bolts.
Re: Front break upgrade
BTW, GPz900R calipers fit straight on Z1000A2 for what it's worth, and work a helluva lot better than the standard single piston calipers.
Kawasaki GPz750T, Kawasaki ZRX1100R, Kawasaki GPZ1000RX, H**** VF1000RG Rothmans, H**** VF500F2F, H**** CB1100RD, Suzuki GSX1100EFE, H**** XL125K2
- 8 Valve Mark
- Custard Cream
- Posts: 966
- Joined: 3rd Nov 2016
- Location: Glasgow, tropical west Scotland
Re: Front break upgrade
as already stated, the z1-z1b only came with a single 6 bolt disc, so the way ahead is to find a 2nd disc n the associated plumbing.the m/cylinder, 2nd caliper, pipes etc are readily available (or a PAIR of discs if poss?) look out for a drilled pair for best results. good luck. m
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- ZedHead
- Posts: 1128
- Joined: 11th Sep 2012
- Location: Reading
- Contact:
Re: Front break upgrade
8 Valve Mark wrote:as already stated, the z1-z1b only came with a single 6 bolt disc, so the way ahead is to find a 2nd disc n the associated plumbing.the m/cylinder, 2nd caliper, pipes etc are readily available (or a PAIR of discs if poss?) look out for a drilled pair for best results. good luck. m
Cheers,
Mark.
Mark.
-
- ZedHead
- Posts: 1128
- Joined: 11th Sep 2012
- Location: Reading
- Contact:
Re: Front break upgrade
CAT3 wrote:A1John wrote:Never knew a z1b DD conversion used thinner discs, thought it was only z900/z1000 that used the thinner discs.
Correct, the Z900-A4's came as standard in the UK with twin discs, which were thinner than the earlier Z1/A's/B's.
Upgrading the earlier Zeds to twin discs involved fitting a second thicker disc as the later thinner items had not been made at that point.
Also, the Z900 discs had four mounting bolts whereas I understand some of the earlier Zed discs had six mounting bolts.
Z1, Z1A and Z1B discs and brake calipers are different animals to the later single (thick) or twin (thin) discs.
Z1 series discs are 6 bolt mount, Z900A4 onwards are 4 bolt.
Caliper bolt spacings are different.
I have a pair of Z1 discs if you (cabmonkey) wants to PM me.
Cheers,
Mark.
Mark.
-
- ZedHead
- Posts: 1128
- Joined: 11th Sep 2012
- Location: Reading
- Contact:
Re: Front break upgrade
000zeds wrote:Z-Power will have all you need,
http://www.z-power.co.uk/z900-z1-z1a-z1 ... right-z1ab
http://www.z-power.co.uk/z900-z1-z1a-z1 ... isc-6-hole
http://www.z-power.co.uk/z900-z1-z1a-z1 ... ouble-disk
http://www.z-power.co.uk/brake-hose-bottom
http://www.z-power.co.uk/brake-pipe-metal--right
http://www.z-power.co.uk/bracket-brake-hose-right-003
http://www.z-power.co.uk/z900a4-kz900b1 ... -box-4-way
or...
http://www.z-power.co.uk/double-disc-kit-z1ab
Cheers,
Mark.
Mark.
Re: Front break upgrade
Big Fluff wrote:BTW, GPz900R calipers fit straight on Z1000A2 for what it's worth, and work a helluva lot better than the standard single piston calipers.
Would GPz900R callipers fit on a 1000J too ?
H2B GPZ900R
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