xj1100 brake woes'

[Jby1999]

It has come to my attention that the 81 xs1100 lh has some of the same brake parts as my xj1100. i have a list and most items are still around at the stealer but wondering if there were any aftermarket places to help save cost.

First off i need that sensor for the front master cyl for brake fluid. and its discontinued

i would like to get rebuild kits for both front and rear m/c maybe im not looking in the right place but i checked ebay, and cyclebrakes.com and no luck found a bunch of xs stuff.

need front caliper rebuilds had mine apart cleaned them good put them back to gether they still stick but they dont leak. im thinkn i just need new o-rings problems is yami only sells it with the pistons for 55 a piece.

i found the rear on on ebay fairly cheep, its my biggest problem right now. an 81 xs1100 lh will fit it from the information ive gathered. so ill be getting that.

carb boots are a no brainer goin ebay for those yami cant touch 93 shipped for all 4. i might get 2 with gaskets if im really nice to them but they want mula dollars for theirs.


if anyone has any leads on what other front caliper rebuilds fit an xj1100 or m/c rebuilds fairly priced let me konw. if anyone makes a kit to rebuild all the brakes like i have found on ebay for the xs1100's that would also be great since ill be buying all the junk anyways. let me know and thanx for stoppin!

btw all this for inspection sucks, the guy i bought this bike from was a joke i have since found out the way he took care of this bike and got burned. its sad to say it would be cheeper to sell it cut my loss and buy something else but not everyone can afford new and frankly this bike when im done will be pretty darn new after i redue the damn tranny. hope it will pass without 1st gear. put 200miles on after i bought it and 1st went out sounds like a bent fork or the dogs are thrown.

another quick question when i had my clutch apart after putting a new one on i noticed there was a lot of slop where the clutch goes. that shaft had a lot of play front and back when the bike was in gear. almost a 1/3 turn either way. never noticed it on any other bike ive worked on but when you shift you can feel the same clunk if you dont time the clutch. is this normal or when the tranny comes apart will it be something to inspect further?

[TopCatGr58]

Hey there JBY,

First, follow This Link to find XJ 1100 brake parts and rebuild kits, sadly only front kits, no rear MC kits!
The place is Partsnmore.com, they have other parts as well.

Since you've had the front calipers apart, cleaned and rebuilt and they are NOT leaking, then you don't really need kits. They tend to stick due to the spooge hole/return fluid hole channel that gets clogged in the Master Cylinder. Remember, the front MC only controls the right caliper. The rear MC controls the left front and rear calipers.

The tranny on the XS/XJ's are notoriously sloppy, drive shaft, middle gear, tranny, all cause amounts of slack that add up!

Sorry to hear that you've already been into the clutch, because to do the tranny repair, you will have to go into it again! IF you didn't add the extra steel plate, or you didn't put in NEW clutch springs, you'll have a chance to do that while you're fixing the tranny.

Hopefully you've found the tech tips, not just from the Yellow Column links, but from the MAIN FORUM PAGE, scrolling down to the Tech TIps Forums, there are several tips that are NOT linked from the yellow column, especially the 1st and 2nd gear dremmel fix pictorial! Think you'll find it helpful!

[Jby1999]

thanx great site. any info on where to get the fluid sensor for the front master cyl. my computer says brk all the time and would like to not have to hit the warning button. i poked it already to see if it was stuck but i am guessing its in need of replacment. once again thank you for the info gotta wait for the caliper rebuild kit to come in stock! didnt see any front caliper kits other then that found what i need!

[mro]

yo TC

Might put at the top of the Tech Tips page
a reminder about "Main Forum" page.


mro

[mro]

i poked it already

Not experienced with the XJ,
but have you checked all the wire connectors.

Have solved a few minor bugs on my XS's just by cleaning em...


mro

[Jby1999]

i also see that the rear calipers on the special xs is the same as rear of xj any chance the fronts might be the same as the xs or similiar xj's?

[mro]

Hi Jby1999

This site has "parts cross reference" between XS, XJ and a few other models that fit the XSes.

http://www.benefiscal.co.uk/

This is the Yamaha site, you can look up part #'s here as well as parts diagrams and service bulletins too.

http://www.yamaha-motor.com/sport/parts/home.aspx



mro
btw,
have you posted a pic of your ride yet???

[acof911]

As far as I know the xj and xs special rear calipers are not the same. The 81 midnight special has the same rear caliper as the XJ. I have a spare rear xj caliper and bracket that looks pretty good if you are interested.
Andy

[Jby1999]

from the link supplied above for futrue information i have found out:
front and rear calipers on my 82 xj1100 are the same as the calipers on 81 xs1100LH $14 usd each
the front and rear master cyl is only used on my xj and no other bikes
the rebuild kit for 81 xs1100lh will work only for the front. currently yamaha only makes the rebuild for the rear master cyl $44usd

thanx for the links

[0011mixam]

Hi Jby1999:

According to Yamaha's Parts List, the correct P/N for the brake fluid sensor in the XJ1100 front master cylinder is 10M-85702-00-00.

Try the following link (this is the first time I've tried to include a link; you may have to copy and paste it into your browser) and search for the above part number:

http://216.168.60.165/speedandsportinc/index.tpl

They show 13 in stock, at $46.23 each.

I thought I was going to need one of these for my XJ100, but it turned out I had a broken wire right where the lead comes out under the brake fluid reservoir. Maybe you'll be a lucky.

[Jby1999]

thanx for the link ill order the part when i get the resivour open again to see if i got a bad connection. not sure where the wires come out or go guessing the headlight bucket is a place to start. gonna be putting a diamond cut lens in so should be able to see and trace the wire. but thanks glad to see someone still has one in stock.

[John]

This weekend we had trbig's xj rear brakes apart, and takes the same pads as the R/F on a special. The caliper is the same as the R/F on a Special, so I'd be willing to bet the piston size is the same as the Special. That being the case, the kit for the Special front calipers will work on the xj. The pistons are not available anywhere, but they can be made. I do have a good used piston available, should you need one. The front piston on the Special is a larger diameter than that of a Standard, but the front piston on an xj is the same as the Standard piston. The rear caliper on an XS is the same size piston as those on all three calipers on a Standard.
Confused yet?

[dale_1]

confused yet?

So, what you're saying is you stole the kids computer?



and to me its clear but I was there.....

[Jby1999]

very confused with that post!
from all the part numbers ive cross ref a 1981 xs1100 midnight special has the same brakes as a 1982 xj1100 only difference is the master cylinders. although from what i can tell they are still a linked setup but the parts are different entirly.
this link proved very helpful providing the information is accurate....
http://www.benefiscal.co.uk/About.php

if you lookup an xj1100j front brake setup click on the caliper it will tell you that they are used on the xs1100lh and partsnmore.com sells the rebuilds for them. now looking at the rear brake rebuild on an xj the same part number is for the rebuild for the xs. then im just speculating on the fronts but with the information on xspartsfinder it proves to hold. as for all the brake pads they match up so wouldnt the rest of the brake hardware match also?

[John]

That's pretty much what I said, only you used different words. I have done much research on the brake subject, as I needed some new pistons for the front calipers on a Special a couple of years ago. See this post: http://www.xs11.com/forum/showthread...liper+pistons.
I have some XJ front calipers in my pile o' parts, and I was comparing sizes with that of an XS. The reason the master cylinders are different is that the 81 MNS used an M/C with a plastic reservior, and the XJ used a one piece metal M/C with built in reservior. The front M/C, controlling just the R/F caliper, only had about a 1/2 inch bore for the piston, and the rear M/C, controlling the L/F and the rear caliper has a larger bore, probably 5/8 or 11/16 inch. The XS M/C's are just the opposite on the piston bore sizes. That's what makes that set up so rare. Now, let me mess with your head a little more...At Mikes XS, they sell an M/C for some of the older XS650's that only used one front brake rotor and caliper. That M/C will be a smaller piston bore and will work fine on the front of the XJ. As far as the rear M/C...you're up the creek on that one. You could switch to an unlinked setup, and use all XS parts.