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Front MC rebuild kit for '78 GS750E

  • Thread starter Thread starter OzJavelin
  • Start date Start date
O

OzJavelin

Guest
Posted this earlier in the wrong section ..

Looking for Front MC rebuild kit for my '78 GS750E .. It's already leaked over the tank and damaged the paint!!!

I think that the PN is 59600-31827 but just wanting to be sure before I ship to Australia. After a lot on Internet searching I've found a couple of places with it, but they either have some dodgy website security, dubious international freight policies, etc, etc.
 
Hmmmm Boulevard Suzuki has the 1978 GS750E listed as an EC and has the piston and cup set as 59600-45811 for $32.08.

http://www.boulevardsuzuki.com/fich...y=Motorcycles&make=SUZUKI&year=1977&fveh=2133

I did a quick lookup on Alpha Sports as well and it looks like that part number at Boulevard supersedes the one you listed 59600-31827 so it should be good to go.

Probably best if someone who knows the 750's better confirms though...

Boulevard's ordering process is a little awkward as you have to email them first due to their online store not coping with international shipping, but I find them to be great to deal with and they will simply send you a Paypal money request which is nice and secure. Shipping costs seem to be good too.
 
If you ever do a total brake overhaul with new brake lines and rebuild kits, do yourself a favor and switch over to DOT 5 brake fluid. The fluids are incompatible, but either one works as well as the other. If your surfaces are virgin and not contaminated with the other fluid, a change is possible and it sure is nice not having paint remover (DOT 3) where it can damage your paint. I've spilled my DOT 5 fluid on my paint. It cleans right off with no damage.
 
One of guys in my local VJMC has both GT750 triple and RE5 .. supposedly have the same MC .. and he had a spare kit! :)
I'll see how I go ..
.. thanks all
 
OldVet66 said:
If you ever do a total brake overhaul with new brake lines and rebuild kits, do yourself a favor and switch over to DOT 5 brake fluid. The fluids are incompatible, but either one works as well as the other. If your surfaces are virgin and not contaminated with the other fluid, a change is possible and it sure is nice not having paint remover (DOT 3) where it can damage your paint. I've spilled my DOT 5 fluid on my paint. It cleans right off with no damage.
Click to expand...

That's a good tip! I've got a brand new MC, totally rebuilt front caliper, and will have a brand new braided line soon so sounds to me like DOT 5 could be a good way to go :)

OzJavelin said:
One of guys in my local VJMC has both GT750 triple and RE5 .. supposedly have the same MC .. and he had a spare kit! :)
I'll see how I go ..
.. thanks all
Click to expand...

Even better :D
 
Clean everything, the two fluids are bad news if contaminated with one or the other. If you are totally sure there is absolutely no possible residue left on any surface in the entire system, make the switch. Don't forget to clean the bolts that hold the banjos.
 
Last edited:
OldVet66 said:
Clean everything, the two fluids are bad news if contaminated with one or the other. If you are totally sure there is absolutely no possible residue left on any surface in the entire system, make the switch. Don't forget to clean the bolts that hold the banjos.
Click to expand...

Hmmm I gave the caliper a good soak in Marine Clean but maybe I should rethink that...

And I just realised if my braided line makes it fail the safety certificate I'm going to have to put the old rubber hose on temporarily to get it passed and that's definitely had DOT 4 through it... oh well :rolleyes:
 
I think you are ok as long as you cleaned everything thoroughly when you rebuilt the calipers. When I did mine, both master cylinders were rebuilt as well as all three calipers. Lines were replaced with stainless steel braided lines, I also replaced the banjos (I used Russell lines, and they had matching chrome banjos). I replaced the bolts for the banjos on master cylinders and calipers. Mine were nasty and someone had used vice grips on the bolts. I replaced the plastic reservoirs, caps and the rubber that is under the caps along with the line from the rear reservoir to the master cylinder. I was confident that there was nothing left to contaminate the system when I switched over. Since I had the bike painted, I have spilled brake fluid on the paint, and that alone was worth the switch to DOT5.
 
OldVet66 said:
I think you are ok as long as you cleaned everything thoroughly when you rebuilt the calipers. When I did mine, both master cylinders were rebuilt as well as all three calipers. Lines were replaced with stainless steel braided lines, I also replaced the banjos (I used Russell lines, and they had matching chrome banjos). I replaced the bolts for the banjos on master cylinders and calipers. Mine were nasty and someone had used vice grips on the bolts. I replaced the plastic reservoirs, caps and the rubber that is under the caps along with the line from the rear reservoir to the master cylinder. I was confident that there was nothing left to contaminate the system when I switched over. Since I had the bike painted, I have spilled brake fluid on the paint, and that alone was worth the switch to DOT5.
Click to expand...

Just realised... everything would be right except I lubed the new caliper piston with DOT 4 fluid during the rebuild... DOT 4 it is... :rolleyes:
 
Guess it wouldn't be a good idea unless you wanted to clean the caliper again.
 
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