I recently sold my 91 cbr 600 F and bought myself a 97 Srad. The first thing i noticed was how bad the brakes were, i mean the stopping power was ok but the lever travel was terrible. I bled the brakes with over a liter of fluid, the lines are already braided goodridges. I recently attempted to clean out the caliper pistons and noticed the seals were quite old and starting to perish. One even tore and started leaking fluid.
Looking at caliper seal kits, they are going for about £50 for both front calipers. For this price i can get used calipers off Ebay.
I guess my question is, what brake calipers will fit a 97 SRAD? Is it worth rebuilding these or getting some Nissins or other equivilents that might be a better replacement?
Also is it worth replacing the master cylinder?
Im sorry if this has already been answered somewere before, i have had a quick search but could not find anything specific.
Ok, thanks for the help. I was unsure if the 6-pots would fit as i thought they were only for the gsxr 750 slingshots with the upsidedown forks. I've seen a few of these go for decent prices so if i find a set which is not a huge amount more then the seals, i will go for that as i can always sell the current 4-pots as spares or repairs and get some of the money back.
As for MC's what would you recommend? Im not looking to spend a huge amount, the brembo's are way over my price range.
All other things being equal (assuming the system is properly bled, good pads, good seals in the calipers), switching out the M.C. for a better quality unit will have the greatest effect on improving braking power and feel.
The master cylinder is the actual pump that is pushing the fluid. That is where all the power and feel is generated from. You could switch out calipers, change rotors and not feel any difference at all. The most monumental change I made to my brake system was throwing on one of these.
Even a radial master cylinder off a late model sportbike should provide an improvement in power and feel over your stocker
"I never drive faster than I can see...besides that it's all in the reflexes." -Jack Burton
I did not want to start a new thread.
I just got a 97 750 gsxr and the brake lever travel is so bad, not smooth at all, super sticky.
From what I've read in my search is that this is caused by dust gathering in the caliper pistons and a good cleaning should fix this.
Is that correct?
Will the 4 pots from a 97 600 bolt right on and are they a better choice? $100 used.
Are there other options that don't require an adapter?
I know I should get a mc and braided lines but can't I do that right now, I need an inexpensive, fast fix.
Motorcycle: 1996 GSXR750T SRAD (track), BMW S1000RR (track)
Re: Brake caliper upgrade
There has been plenty of discussion and threads regarding your questions.
Spend a bit more time searching.
There are also many differing opinions
If it were me, I would try in this order.
1. Bleed brakes and fresh quality dot4 fluid.
2. clean pistons on 6 pots as best you can without disassembly
3. buy and fit M/C rebuild kit for approx. $30 on ebay
4. if still no good I would buy and use the 4 pot 600 calipers. They bolt straight on, are more consistent in performance, have better braking feel/feedback and are cheap.
I use them on my SRAD race bike