I use DOT 5 silicon brake and clutch fluid in my TRs and whilst it gives long-life and protection to the paintwork it does make the brake pedal feel a little bit spongy, but I'd sooner that than use DOT 4 mineral fluid given the protection and known potential downside of DOT 5.
My A4 uses DOT 4, but for the reasons above I'm considering changing to silicon, I know the callipers needs to be flushed out and pipework either flushed or replaced - is anyone using DOT 5 on their bike and if so I'd be grateful for your experience.
Cheers,
Andrew
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DOT 5 Silicon Brake Fluid
Moderators: paul doran, Taffus, KeithZ1R, chrisu
DOT 5 Silicon Brake Fluid
Current Bikes:
Phil Churchett's 1976 Z900 A4: PRE 2R https://www.flickr.com/photos/115740825@N05/albums/72157680116996884
1973 XL250 K0 Motosport: UKX 73L
2023 R1250 GSA
Previous Zeds: Z750B1 Twin, Z650B1, Z750E
Phil Churchett's 1976 Z900 A4: PRE 2R https://www.flickr.com/photos/115740825@N05/albums/72157680116996884
1973 XL250 K0 Motosport: UKX 73L
2023 R1250 GSA
Previous Zeds: Z750B1 Twin, Z650B1, Z750E
Re: DOT 5 Silicon Brake Fluid
Used Dot 5 on my Yamagamma, never had any problems with the braking on it.
Rob
Rob
Z1000R/ZRX, RD 125LC, Zx7r , Endurance racer, gpz1100b1
Re: DOT 5 Silicon Brake Fluid
I’ve been using DOT 5 in every one of my bikes for years, and still have it in all my bikes with hydraulic brakes.
When I change over to DOT 5 I usually strip the system and clean thoroughly with meths and rebuild as usual then fill and bleed with the DOT 5.
Only on one bike have I ever had a problem and that was on a GS1000 which still had the original rubber hoses and the sponginess was more to do with the hoses than the fluid itself.
The benefits of the DOT 5 far outweigh the work caused by the fluid change.
When I change over to DOT 5 I usually strip the system and clean thoroughly with meths and rebuild as usual then fill and bleed with the DOT 5.
Only on one bike have I ever had a problem and that was on a GS1000 which still had the original rubber hoses and the sponginess was more to do with the hoses than the fluid itself.
The benefits of the DOT 5 far outweigh the work caused by the fluid change.
Re: DOT 5 Silicon Brake Fluid
using dot 5 in my z1b since complete brake referb, due to master cylinder weep several years ago luckily no tank paint damage. Cant say ive noticed any difference in operation or performance.
Now where did I leave my Keys!
1972 Z1 Euro Spec
1975 Z1B UK Bike
1972 Z1 Euro Spec
1975 Z1B UK Bike
Re: DOT 5 Silicon Brake Fluid
i use dot 5 in all mine with no problems although i think i read somewhere it can attract moisture if you leave the bottle for a long time.
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