95'CR build, in a parking garage & inexpensively! - Page 9 - Ducati.ms - The Ultimate Ducati Forum
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post #81 of 109 (permalink) Old May 4th, 2019, 4:10 pm
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Originally Posted by Erics75218 View Post
Right on, thanks for the tips as always. I plan to get a way to suspend the bike by the "frame/engine/rearset" area I've seen tons of threads on this. I know I need to ride it first before I go do some things. But once you start taking one thing off, it becomes easier to take other things off. And now that the brakes are off....the wheel can come off...so why not!

It's not my only bike, part of the reason I haven't worked on it in a bit is because it was stored up behind one of my other bikes, and I've been riding most weekends. But a friend of mine in London finished up his custom Guzzi cafe racer and I got jealous and felt like a looser for being so lazy. Putting the carbs back on caused me to delay a bit, looked far harder than it was.

Getting the top tripple off is much harder than it looks. Mine has a shit carbon cover on it that looks crappy so it might have to be refinished anyways, plus I can't get the old clip ons off without taking that off.

I'll ride that bitch without any rear bodywork but a seat and a tail light, i don't care. I have other pretty bikes to take photos of :-)
This all sounds really fun! I cant wait to see the finished bike, even if it takes a long time.

Its great to have ducvet, sean and many others on this forum, that really know whats up, answering so many questions. What would this Ducati world be without guys like this to help us out? I have joined other forums for other lesser hobbies and literally been ignored.

Ducati 1993 750ss/cr
The past: Honda 1000RR Fireblade F2 Yamaha R6 xj700 xs400 Suzuki GSXR600 Kaw 750 550
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post #82 of 109 (permalink) Old May 5th, 2019, 12:48 am Thread Starter
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I wouldn't have the balls to do this without knowing I could get advice and know how from all the bad asses here. They enable me to dive head first into this hobby without much fear. I realize most of my questions are basic bitch, but it's great knowing I have backup!!!! #savethesupersports can't happen without Ducati.ms cabal!
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post #83 of 109 (permalink) Old May 5th, 2019, 2:12 pm Thread Starter
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Well I pulled the calipers hoping I could split them and ultrasonically clean'm....but I can't split them now that they are off. I still plan to do that task, but I recon I'll have to put them back on the bike to get the leverage required to loosen those caliper bolts.

I had some brake cleaner, which I initially used, but ran out. I then made a 10:1 simple green crystal cleaner and did the 2nd caliper. It worked SO much better than brake cleaner, that I went back and did the other one. I'm not worried about getting crap on the pads since I will replace when I get these bitches split and inspected. I don't think they are leaking, more or less the pistons went back in smooth, but no harm in checking if I can actually split'm!


https://simplegreen.com/industrial/p...ner-degreaser/

Also I notice the Titanium bolts I ordered from China, while great, are far to short. They are what I ordered I just don't know what the hell I was looking at where I thought that was the kind of bolt I'd need. I'll see if I can order the right ones next time.

And with this, I'm unfortunately going to be busy with work next week and then a nice holiday in tropical London for a week. I'm gonna be on the lookout for some nice vintage jackets, gold top / lewis leathers....but other than that I wonder if there are any Ducati parts I should line up to bring back.....thoughts?
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post #84 of 109 (permalink) Old May 5th, 2019, 5:38 pm
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Simple green is great soak to clean these up. 10 minutes in dilute simple green, a scrub brush, and then finish off in hot water with dawn dish soap. Piston seal kits are readily available for these calipers on eBay (powerhouse brand) as are stainless steel bolts and retainer pins if you want to make them like new. The gold line calipers are lovely cleaned up.

Cheers


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post #85 of 109 (permalink) Old May 12th, 2019, 4:57 pm
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Hopefully you will get this done and have a nice bike to enjoy

1991 Ducati 900ss, 1991 Ducati 907ie. 1978 Yamaha SR500, 1979 Yamaha RD400 Daytona Special, 1973 Truimph X-75, 1975 Triumph T-160, 1976 Triumph T140, BMW's too many to list
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post #86 of 109 (permalink) Old Jul 4th, 2019, 4:29 pm Thread Starter
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Finally made some progress, thanks to the kind folds of Ducati.ms! I got the front stand, and decided to move the bike, finally put her up on stands and move her to a location I can get to better. Not much I can do in an underground parking garage, I hope nobody steals her, she's covered when Im not working on her.

That allowed me to get that damn top tipple off. My new clipons fit, the goldline masters went on fine and look real nice. The clutch oil reservoir location looks strange, but all this is just dry fit to see something NEW on the bike. With some adjustment they clear the dash fine which is what I was mostly worried about.

The carbs are back on, getting the throttle cable on is a BITCH. I'd get NCRs if it meant shit canning that overly complex dual cable throttle setup. Speaking of cables, I can't get the left controls off....i see no more bolts but it is not moving at all, not sure what's up with that...grrr!

I"m not sure what I want to do next besides figure out how to separate the chaok from the old master. I think I want to put the calipers back on the bike enough so I can get enough leverage on the bolts to separate them and to a balls out rebuild.
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post #87 of 109 (permalink) Old Jul 5th, 2019, 12:37 am
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Subbed. I read every post on every page so far.

Keep on keepin' on! As you pointed out you've got the backing of some wise old Yoda types within this membership. I was having a really bad day about a week ago and I 'bout ran off one of them! I think I've even made the ignore list of another member. (I can get pretty full of myself now and then ... geez!).

Anyhow, keep truckin'. You're making great headway and seem to be making solid choices. I'm doing pretty much the same thing to a 1996 900CR ... but I started out with one in better condition than yours so I'm not faced with the challenges you are.

Your project is an inspiration to others. I mean if'n you can pull this off by working on it in a parking garage other folks will realize that they can get it done as well.

Never quit!

Hey, what brand front stand is that? I'll be needing one in a month or three.

EDIT: I saw you made mention of running your bike sortof half-assed nekkid for a little while if you have to ... check this'n out (it's not mine) ....

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1996 900 CR. ... LOW ZOOT

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post #88 of 109 (permalink) Old Jul 5th, 2019, 10:36 am
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Quote:
Originally Posted by Erics75218 View Post

The carbs are back on, getting the throttle cable on is a BITCH. I'd get NCRs if it meant shit canning that overly complex dual cable throttle setup. Speaking of cables, I can't get the left controls off....i see no more bolts but it is not moving at all, not sure what's up with that...grrr!
It will probably be easier to just remove the carbs again and fit the cables, then install the carbs.

As for the left controls, what specifically are you having difficulty with? Do you mean the lever perches or the switch pods?


Quote:
Originally Posted by Erics75218 View Post
I"m not sure what I want to do next besides figure out how to separate the chaok from the old master. I think I want to put the calipers back on the bike enough so I can get enough leverage on the bolts to separate them and to a balls out rebuild.
Not sure what a "choak" is. Please provide a pic or a real description of this.

I had to use a shop vise to get the caliper halves separated. However, I also had to use a real shop's, shop air to get the pistons out. It took around 140 psi and some real ingenuity to remove them from their bores.

Mine were stuck solid. With 120 psi I was only able to remove one pair on one caliper. The other six were stuck and would not even begin to move with 120 psi.

Made me think they weren't moving at all under normal braking. It would seem the two smaller pistons on the left side caliper were doing all the stopping. The lack of wear on the rotors would seem to support that theory too.

Once I got all the pistons out, I ran them through my ultrasonic cleaner with nothing more than some dish soap and water as my cleaning solution. It took several trips through but they cleaned up quite nicely. Same for the caliper halves.

I reused the same seals, once I inspected all of them for signs of dry rot, cracks and tears. As I found none, I just lubed them up with some silicone assembly paste and pushed them back into their respective bores. The pistons slide quite nicely now.

Also used stainless steel hardware when bolting the caliper halves back together. Still have to torque them, though I'll likely wait until I bolt them back on the fork tubes to do that.

I dunno if putting the calipers back on the bike to break the bolts is such a good idea. Just the thought of pulling the bike over on top of me makes me wince. It took quite a bit of force to break them loose.

I used a 1/2" drive breaker bar and it still took some doing. A 1/2 drive impact might have made the job easier. I have one, I just didn't feel like digging it out. Not like you'll have that available in your parking garage anyway.....sean

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post #89 of 109 (permalink) Old Jul 5th, 2019, 11:26 am
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...I dunno if putting the calipers back on the bike to break the bolts is such a good idea. Just the thought of pulling the bike over on top of me makes me wince. It took quite a bit of force to break them loose.

I used a 1/2" drive breaker bar and it still took some doing. A 1/2 drive impact might have made the job easier. I have one, I just didn't feel like digging it out. Not like you'll have that available in your parking garage anyway.....sean
How about an impact driver? Y'know, one of those things you hit with a hammer? I have three of those, two cheapos, and one Snap On. The Snap On works no better than the imported $10.95 as far as I can tell.

Just a random-yet-related-thought here, fasteners that have had Loctite (red or blue) applied may be fairly easily broken loose by using a heat lamp as a heat source to soften the Loctite. Put the heat lamp about 6 to 12 inches from the part, let it sit there for about 30 to 60 minutes. Put on a pair of gloves, and get to work. Usually the Loctite lets go pretty easily.

~thumbs up!~


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1996 900 CR. ... LOW ZOOT
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post #90 of 109 (permalink) Old Jul 5th, 2019, 12:01 pm Thread Starter
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Great info on the calipers!!! I don't think I want to get involved in splitting them anymore. I'll look at the discs for wear, that's a good tip. I think I have a hookup with a real shop who could split my calipers for me if I asked nice. I'd feel much better if I rebuilt them from 'scratch'. The bike sat for a while, and not in a nice location, I believe "up north"...

How "freely" should the pistons move? With the pads in there..I can get them to move back in their bores with some force.

Ok it's not a Choak, or a choke, it's a PRIMER!!! This little dial, connects to a spring loaded slide on the carbs. The little dial itself, is attached, via impenetrable magic, to the master cylinder which I am replacing with a goldline.

I've read that there are 2 screws holding it onto the mater, and indeed I can even see what appear to be little areas where this might happen. But I can't for the life of me see a screw head, and even if I do, it must be a 1mm hex or something?
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