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Discussion in 'Vendors' started by One Less Harley, Oct 10, 2010.
Thank you for the confirmation
I have made the modification using a R1100GS caliper and the brembo PS13 master cylinder. I have purged the system completely, set he brake lever screw as far possible, but I am getting a very soft lever action with the lever touching the handle bar. The caliper has been completely rebuilt and I don't have any leaks. Would anyone have any other suggestions? Many thanks
Sure sounds like air in the system to me.
I have had 2 different mechanics drain the system with the same result. They both said that I need a bigger master cylinder, maybe a 15mm but I am not so convinced.
I had a hard time getting air the air out. After force bleeding from the bottom, I wire tied the brake handle to the grip and let it set over night. Next day all was good and firm.
After 24 hours of having the lever cable tied to the hand grip, I have tangibly better result. I have not tried to lock up the front wheel as it has been raining these last few days, but I am confident that I have a safe braking system. So thank you so much for this simple suggestion. In the end, it is a real time saver.
4/19/2019- I have one set with pads on hand.
what thickness of material needs milled off the mounting tab? I have a couple of spare 1100 calipers here (in Scotland) and would like to mod one to fit my r100gs
On my R80ST I left 8.5 MM on the tabs and milled the mounting side of the tab. (the side contacting the fork)
the ST is a completely different animal....not really the subject of this post.
sent you the info
can you hook me up with a 4 pot caliper? I recently bought a 1992 R100GSPD. Can you supply the stainless brake line also? Thanks
No lines on hand but can get them...banjo fitting at MC? Stock length?? Silver or black color? Do you want pads?. I have two calipers but they need to be machined. PM me
7/26/2019- I have one set of calipers with pads on hand. If needed I can get a braided line in about 1 week.
THANKS One Less Harley! I got my 4 pot Brembo and new brake line installed and bled today. Process went well. No bleeding issues. Prior to starting the install I performed an unscientific test so I could compare stock setup with the new caliper. On the street in front of my house I rode the GSPD at 25 mph, and at a crack across the street I braked hard with just the front brake. Bike stopped in about 22 feet. Then after the install I re-enacted the test. This time the bike stopped in about 20.5 feet. Brake feel is much more solid. My guess is about 35% better braking. I feel it is definitely worth doing.
thanks for the evaluation, should preform better once pads bed in....
Caliper and pads wanted 92 R100GSPD
8/28/2019-None left, but three available soon....
...make that four.....couldn't resist buying some more calipers as it seemed lately I'd been selling less...oh well guess I'll still cobble away at getting more 4 pots on those old R100GS's, must still be plenty out there......I just can't help myself..
and thanks pfestus1 for taking the time to evaluate and write a glowing review of your experience!!