Mechanical and Technical For mechanical and technical discussion


 
Old March 19th @ 12:18 pm   #1
R3K
R3K's Avatar
 
From: Hendo

Motorcycle: GSX-R 1000 & RC51
Posted this on 702 and thought I'd share here as well.

After much complaining and too many heart in my throat moments from the brake lever coming back to the bar at the most inopportune times (yes I adjusted the lever out as far as it would go), I finally pulled the trigger on a Brembo 19 RCS front brake master cylinder and that has to be the best upgrade I've done so far to any Suzuki I've owned. For those out there with a Gixxer, you probably know what I'm talking about. Pretty much ALL Suzuki's have a shitty front brake master cylinder and it's been that way for ever, so a MC upgrade should be in your very near future.

For those that don't know what it is, the 19 RCS allows you to switch between a 19x20 or 19x18 which gives you more or less brake power at the lever, depending on your needs. Basically one setting for street use and one for track use.

I ordered it from Indy Superbikes (- Home - Indysuperbikes) for $365 and chose to get the Brembo reservoir because the Brembo MC and reservoir have the same size nipple on them so there are no fitment issues with the hose, but the nipple on the stock MC is larger so there would be problems getting a hose to fit properly between the stock reservoir and the Brembo MC. I've also heard that you may have to fabricate your own bracket if you're trying to use the stock reservoir because the reservoirs don't connect to the Brembo MC the same way they do to the stock MC. Too many issues so I just got the Brembo reservoir to eliminate all the hassle.

Installation is pretty straight forward, but the instructions aren't all that clear, and the pictures don't actually look like what you're installing. The bracket for the reservoir required some modification (bending) to get it to clear the windscreen and upper fairing when turning the bars to the right, but that wasn't that bad. The 19 RCS also comes with the micro switch for the brake light, but it will require you to cut the connector from the factory wire harness in order to wire in the micro switch, so keep in mind that this is a pretty permanent thing once you do it.

The biggest and most important thing to know is that the stock double banjo bolt that comes with the 19 RCS is GOING to be too long, pretty much regardless of what brake lines you are using. I haven't heard of anyone yet who upgraded to a 19 RCS and did not have this problem. Mine was too long by quite a bit so needless to say, I was PISSED!!!! I've got Galfer superbike lines on the bike so I contacted Galfer and explained the situation to them. Even though they don't show it on their site, they do have a shorter double banjo bolt, and will send you one, for $7.44 (shipping included), but that one ended up being too long as well, but not by much. So, instead of ordering another one from Yoyodyne (Yoyodyne), I decided to break out the Dremel tool and get busy on the original bolt that came with the 19 RCS. I only cut off about 1/8" - 3/16" or so and that did the trick. Still plenty of thread left to properly tighten/torque the bolt, and allowed me to only use the 3 crush washers supplied instead of doubling up on crush washers somewhere and potentially having a leak.

So far, I've only been able to ride the bike once, but I have to say that it is a tremendous difference. Only have to pull the lever in about 1/2" before I've got friction, and once I do, it's STRONG! no spongy feeling, and when I do hit the friction zone, I've got a long way to go before the lever would hit the bar. I probably need to do one more bleed, but so far, I'm completely satisfied.

Long read, I know, but knowledge is power my friends.

 
 
Old March 19th @ 02:53 pm   #2
Pcone16's Avatar
 
From: Las Vegas/Summerlin, NV

Motorcycle: 2009 GSXR-1000
+1 awesome bro!
 
 
Old March 19th @ 03:20 pm   #3
ars0n750's Avatar
 
From: Las Vegas, NV

Motorcycle: GSXR-750
Might have to get one of these... never did like the suz MC.
 
 
Old March 19th @ 03:50 pm   #4
Mustang's Avatar
 
From: my moma's cooter

Motorcycle: your mom
Yes all Brembo MC will require a diffrent banjo bolt, Congrats on the new Master!
 
 
Old March 19th @ 05:51 pm   #5
R3K
R3K's Avatar
 
From: Hendo

Motorcycle: GSX-R 1000 & RC51
Quote:
Originally Posted by ars0n750 View Post
Might have to get one of these... never did like the suz MC.
If you don't necessarily need the adjustability, you could always get just the 19x18 or 19x20 single MC. Either one would be leagues better than the stock MC that Suzuki's come with, and they're a bit cheaper too! Surprisingly, my new Brembo, as gangsta as it is and all, still doesn't feel as good, nor as strong, as the stock MC on my RC51. That thing is incredible!!!
 
 
Old March 20th @ 03:34 pm   #6
Mustang's Avatar
 
From: my moma's cooter

Motorcycle: your mom
There could be a number of reasons why it my not FEEL like your old RC51, Calipors, pads, lines all make a diffrence



Quote:
Originally Posted by R3K View Post
If you don't necessarily need the adjustability, you could always get just the 19x18 or 19x20 single MC. Either one would be leagues better than the stock MC that Suzuki's come with, and they're a bit cheaper too! Surprisingly, my new Brembo, as gangsta as it is and all, still doesn't feel as good, nor as strong, as the stock MC on my RC51. That thing is incredible!!!
 
 
Old March 20th @ 08:41 pm   #7
Pcone16's Avatar
 
From: Las Vegas/Summerlin, NV

Motorcycle: 2009 GSXR-1000
So much cool shit to buy, so little time and money!!
 
 
Old March 21st @ 06:41 am   #8
R3K
R3K's Avatar
 
From: Hendo

Motorcycle: GSX-R 1000 & RC51
Quote:
Originally Posted by Mustang View Post
There could be a number of reasons why it my not FEEL like your old RC51, Calipors, pads, lines all make a diffrence
yeah, I think the only thing different are the calipers. The Gixxer has Tokico calipers while the Mighty RC has Nissin. I've got the same pads in both bikes, and braided lines on both as well (Gixxer has Galfer superbike lines and the RC has Galfer regular braided lines). I guess because of the superbike lines, that come with a warning that states they are not for street use, I expected King Kong like braking power, but such is not the case. But, with the Brembo now installed, things are WAAAAYYYY better. So far, I'm happy
 
 
Old May 2nd @ 06:23 am   #9
dirty650rat's Avatar
 
From: nlv

Motorcycle: 2008 gsxr
Quote:
Originally Posted by Pcone16 View Post
So much cool shit to buy, so little time and money!!

Story of my life..

I read somewhere that a not as good but good enough for the time being and cheap way to improve braking power was to get better pads lines and better fluid.....is that brake upgrade on a budget true??????? i don't like my brakes on my gsxr either
 
 

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