I'm starting a big resto on a Z900A4.
The front master cylinder has been painted with some sort of paint that it clearly wrong. When extracting it in the bead blast cabinet there is some plating/coating that at first I took to be chrome/nickle, but am wondering if it's some form of anodising where the dye colour has faded away due to UV.
It has twin discs up front, what diameter pistons should they have in them?
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Z900A4 Front brakes
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RALPHARAMA
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Z900A4 Front brakes
Ralph Ferrand
Z1000A1 (1977), Godier Genoud Z1300A5 (1983), Z900A4 Stock (1976), Z900A4 Special (project), GPZ1100 Unitrak (1983), ZRX1200R (2004) DT175MX (1981).
http://www.bikerstoolbox.co.uk
Don't be caught out http://www.dhlparcels.info/
Z1000A1 (1977), Godier Genoud Z1300A5 (1983), Z900A4 Stock (1976), Z900A4 Special (project), GPZ1100 Unitrak (1983), ZRX1200R (2004) DT175MX (1981).
http://www.bikerstoolbox.co.uk
Don't be caught out http://www.dhlparcels.info/
Re: Z900A4 Front brakes
When I had mine done, black anodised yes, I was warned about the process possibly damaging the alloy.
It did create a small cavity but was well down below the seals. Be aware.
It did create a small cavity but was well down below the seals. Be aware.
Asphalt Cowboy Z1100R, 1981 Z1000J
Re: Z900A4 Front brakes
Hi Ralph
I think the front calliper piston sizes are 42mm ? If my memory serves me right. I picked mine up off the wemoto site £42 for the pair in 2009 me thinks they have gone up a wee bit since then.
I think the front calliper piston sizes are 42mm ? If my memory serves me right. I picked mine up off the wemoto site £42 for the pair in 2009 me thinks they have gone up a wee bit since then.
Never ride faster than your guardian angel can fly.
Re: Z900A4 Front brakes
I have recently purchased front and rear brake piston and seal kits from this company. I can’t speak highly enough about their advice and product quality.
https://www.ebay.co.uk/usr/powerhouse-u ... 2749.l2754
https://www.ebay.co.uk/usr/powerhouse-u ... 2749.l2754
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wheelysteve
- Custard Cream
- Posts: 961
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- Location: Wokingham, Berks
Re: Z900A4 Front brakes
Martin B wrote:I have recently purchased front and rear brake piston and seal kits from this company. I can’t speak highly enough about their advice and product quality.
https://www.ebay.co.uk/usr/powerhouse-u ... 2749.l2754
+1. Top notch service and parts
1975 Z1B Candy Red/Blue
1975 Dogs Z1B
1976 Z900 A4
1977 Z650B1
1978 Z650B2
1978 KZ1000D Z1R
Yam Tracer 900GT
PUM 710
1975 Dogs Z1B
1976 Z900 A4
1977 Z650B1
1978 Z650B2
1978 KZ1000D Z1R
Yam Tracer 900GT
PUM 710
Re: Z900A4 Front brakes
+1 for Powerhouse , been using for years. Picked my Calipers and Master Cyls up yesterday for GS1000S project
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