Topic: braided line info and dual disk question

[jeepurz]

78cb550.
1st question, Id thought or was told I could use regular banjo fitting direct to cal. cant see how thatll work as cal is dished around inlet.SO can someone tell me in this image what fitting is needed for cal end. or if any are correct or what I need to use to make it work.


ALSO, are the bleeders 6MM 1.25 pitch? Im getting some ERM resistance but I powdercoated them (CALS) and may have a little on threads.

I also used the dual disc threads here and have that done but ive got a little more clearance on rite side then left. 2-3 mm. clearance is close to spokes on  right side.
Normal??

thanks jeep.

[754]

You should be able to run banjo, IF you pull out the flare seat that ii Pressed into your caliper.

 I usually run a #9 style fitting or a 45 degree like it if you can find one, and use a straight AN fitting on the hose end.I dont run banjos..

[Steve F]

I was able to use the 45's and banjos work ok if you have a good flat surface for them to seat onto using the copper washers.  One side was a bit of a pain to get seated properly on the caliper.

[jeepurz]

thanks , so the pitch is 1.0? I swore it was 1.25 but im not up on pitch.

also is pic a 550?? Ive got an early 750 cal for referance but its slightly different.

[754]

I dont think that pitch is correct.. I just meant that style of adaptor. That is what I would use in a 750 finned caliper and on the mc ... and a T in the middle if you want a clean look . I ran dash3 line thru the steering stem, then a T, then 45 degree forged dash 3  fittings, then line to caliper. pricey but best look.

 I am running a straight on a late 750 caliper, but it gets a funny inward bend.. a 45 would be ideal.

 A finishing nail should pull that seat out, then you install correct pitch adaptor..

[kmoll70]

... IF you pull out the flare seat that ii Pressed into your caliper...

How did you pull out that flare seat?

[jeepurz]

what exactly is the flair seat? looking into the hole is it the part at the bottom of the 10mm hole that reduces size?? Im not seeing on the blowup. & thanks.

[bwaller]

The bleeder is 6x1mm and the other fitting is 10x1.25mm. If you use a banjo fitting you may need to first machine a flat spot for the crush washer.  As mentioned remove the steel seat and it's best to run a blind hole tap to the bottom of the hole to gain all the threads you can.

[754]

The stock steel line has a flare end and looks like the top of #10 in the pic.. the cone or flare pictured, seals against a PRESSED IN SEAT, with a corresponding angle.

 The pressed in seat is part of the caliper, not sold seperate, thus, not shown as a seperate part.

 This seat must be removed to convert to banjo, or simply run a taper seat to braided line adaptor.. no need for a banjo.

 Another reason to remove the seat is for dual discs, The bleeder hole and the one woth seat on a finned 750 caliper use the same threads. When you mount a 2nd caliper for dual disc this seat equipped hole is  opposite of the other caliper. To correct you pull the seat and put it in the other hole.

 To pull the seat you find a finishing nail or pin that fits into the center hole of the seat. length cannot be longer than bore of caliper. You slip it in thru the big hole and insert it into the seat, the head of the finish nail prevents it from pushing through. Main part of nail should be a close fit. Then from outside of caliper grab end of nail with vise-grips, then carefully tap onthe vise-grips.. this should pull out the seat. Hang on to it..

 You can tap the caliper deeper (cant return to stock), or shorten the banjo bolt.
 Even better dont use a banjo..run straight fitting

[jeepurz]

thanks for all the info, looks like ill be dissassembling Argh. I should have looked into this a little closer since #9 is 1.0 pitch. If I go banjo it looks like mods to cal will muck up my powder job. I guess the next & last question is I had a good source for the lines but they dont seem to offer the correct bolt on fitting , wheres a source for the correct one. Thanks again , now im going to my corner and kicking my ass for not researching this a little closer.

[754]

Earls Supply or Earls Plumbing should have all the parts. Many people buy off the shelf or get made to order, but I prefer making them to fit on the bike, usually comes out better.

 Some crimped ends are not the cleanest looking, and usually cannot be removed and reused/shortened. I prefer Dash 3 size.

 I have one on a bike outside that is probably 30 years old, they last

 If you have access to a lathe, sometimes you can make custim fittings, like a NPT to-3.. mount the -3 AN end onto a threaded bar to mount in the lathe then turn the NPT thread off and make your own threads & taper seat, for a better, cleaner fit.

 BTW I use the same straight adaptor that goes into the caliper, in the stock MC, rather than a bango, cleaner looking and it bottoms and seal. Stock MC can probably be shortened around 3/4 inch and retapped stock or to NPT. I run the brakeline thru the stem, then a T below..

[jeepurz]

thanks for the all the help, mods done bleeding in progress. I may finish this #$%* yet.