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Thread: Another discussion about delinking the brakes.

  1. #1
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    Default Another discussion about delinking the brakes.

    This may sound random RE: the thread title, but here goes.

    My '83 Standard seems to have every piece of added "Bling" available. The plastic is all busted in some one way or another, though it has all been repaired enough to be serviceable if not pretty. All the extra chrome is what makes this 36 year old bike look great fro 10 feet away.

    Random, Right?

    So here's the question; I am considering delininking the brakes simply for ease of maint. when I replace all of the 36 year old hydraulic hoses. The front MC will need to be upgraded in the process, unless I am mistaken.

    Is there a suitable upgrade MC that will fit with the chrome MC covers that are on the OEM MCs?

    Here is a picture of the bauble in question:
    Click image for larger version. 

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    I have always hated the way the bar mounted MCs look and Yamaha's are especially hideous in their natural state. One of the things I loved about the '81 XJ750RH, SECA was the front master cylinder being a remote(hidden), cable operated set up.

    Thanks for any input in advance.
    TANSTAAFL

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    Default Re: Another discussion about delinking the brakes.

    If you retain the stock '83 calipers, there is a 50/50 chance you may not have to change the front brake master cylinder. Some have retained it with no issues. Others have found they didn't like the feel and/or there was too much travel in the lever. Like I say, it is a crap shoot.
    If you decide to change the master cylinder assembly, go with the MKII master cylinder. It is 14mm bore versus the MKI " bore.
    Your master cylinder reservoir cover will fit identically on the MKII master cylinder reservoir.
    Kevin M. Campbell https://www.facebook.com/Prairiehammer
    1974 Honda CB750, 1991 Venture Royale "the Tuxedo"

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    Default Re: Another discussion about delinking the brakes.

    Thank you! I'll keep my eye out for an '89+ front MC.
    TANSTAAFL

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    Default Re: Another discussion about delinking the brakes.

    When I delinked I left my MKII MC alone, it's enough, even with the R6 calipers, if you get all the air out it should be about perfect. I have insane stopping power. If I could have fit it into the budget for this bike I would have used Skydocs brake delink kit which inludes new lines and the other bits but I ended up reaching into a box of lines and robbing a splitter off a parts Vmax for the front line split. If I had to do it again I would buy the kit though honestly.

    I say try it first, then if you cant get it right the MKII MC should work great. Now is a great time to throw on some EBC HH pads too!

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    Default Re: Another discussion about delinking the brakes.

    Quote Originally Posted by luvmy40 View Post
    Thank you! I'll keep my eye out for an '89+ front MC.
    If all MKII are 14mm then an 86+ should work or did they not go to 14mm until later on in MKII production?

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    Default Re: Another discussion about delinking the brakes.

    Quote Originally Posted by Prairiehammer View Post
    If you retain the stock '83 calipers, there is a 50/50 chance you may not have to change the front brake master cylinder. Some have retained it with no issues. Others have found they didn't like the feel and/or there was too much travel in the lever. Like I say, it is a crap shoot.
    If you decide to change the master cylinder assembly, go with the MKII master cylinder. It is 14mm bore versus the MKI " bore.
    Your master cylinder reservoir cover will fit identically on the MKII master cylinder reservoir.
    I hope you had to look that up? Sometimes between you and Bongo I doubt I've ever worked on a Venture. Maybe my diet, I must need more bata something?

    Luv, I would build a long term feasibility plan for the bike. Not too long ago you thought maybe time to look at a replacement bike? Hard to do I know but if this girl isn't bringing it to you any more then maybe that itch is what needs attention?

    Have you already deleted the antidive system?

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    Default Re: Another discussion about delinking the brakes.

    No, other than replacing the short hose from the rear MC to the steel line everything is stock and, as far as I can tell original.

    As far as replacing the bike? I'd only go that route if she had some catastrophic engine failure. Short of pulling the engine and cracking the cases, I'll make repairs and upgrades as time and money permits. She's running well and starting to look nicer everyday. Maybe, if I were to luck into a great deal on a MKII, I'd consider having 2 Ventures.

    I have a long list of things I want and shorter list of things I need to do to her. The hydraulic lines are the top of the need list. I'm pushing my luck every time I ride her right now and I am well aware of that fact.
    Last edited by luvmy40; 09-20-2018 at 08:22 PM.
    TANSTAAFL

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    Default Re: Another discussion about delinking the brakes.

    You might want to consider finding a set of fork lowers from an MK2 and then replace those anemic MK1 calipers with some R1/R6 calipers!! Unfortunately, that also includes replacing your front rotors with MK2 ones. A big plus is using the MK2 electric anti-dive solenoids instead of those power robbing hydraulic ones...

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    Default Re: Another discussion about delinking the brakes.

    I gotta say, I'm not sue why the Gen1 MK1 brakes have such a bad reputation. I have plenty of braking ability and the linked brakes don't seem to have any detrimental side effects. I have ridden many thousands of miles with far worse brake systems.

    I don't want to delink because I don't like the linked system. It's simply a matter of ease of maintenance and the fact that Skydoc_17 has line kits available only for the delinked setup. He offered to make up a set for me to keep the original configuration, but I just think it will be easier in the long run to upgrade my front MC and use the kit he has already developed.

    ETA: I'm not sure the hydraulic anti dive system has ever been all that great. The '81 SECA had a similar system and I could not feel any difference in dive with it active or disabled.

    Progressive springs are also high on my list of "need".
    Last edited by luvmy40; 09-20-2018 at 11:30 PM.
    TANSTAAFL

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    Default Re: Another discussion about delinking the brakes.

    I haven't de-linked my 89 brakes but I did rebuild all the master cylinders, calipers, clutch slave and also replaced all the rubber brake lines with steel braided hoses. I have no trouble locking up both wheels if I apply the brakes too fast and all at once. I personally think that replacing the old worn out rubber brake lines is one of the best improvements that can be made to the brake system. Before I replaced them, I could grab a brake line and apply the brakes and feel the hose expand in my hands. To me this translated to loose of braking pressure and volume to the calipers and attributed to less braking action.
    Just my 2 cents worth..

    Rick F.

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    Default Re: Another discussion about delinking the brakes.

    On my 88 when I delinked the brakes I did not like the mushy feel of the front brake. while rebuilding the master I noticed a lot of pitting of the bore. 3Times I bought a used MC and all 3 were pitted beyond honing and rebuilding. So I gave up and bought a new after market 16mm bore master. I never did get around to installing it before I sold the bike. I still have it if you are interested.
    Jeff Borowski . . Had 88 Venture standard, now 2011 Silverado 4x4
    There are 10 kinds of people that understand binary, those that do, and those that don't.
    Sometimes the thoughts in my head get bored and go for a stroll out through my mouth (or fingers). This is never a good thing.


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    Default Re: Another discussion about delinking the brakes.

    Quote Originally Posted by Flyinfool View Post
    On my 88 when I delinked the brakes I did not like the mushy feel of the front brake. while rebuilding the master I noticed a lot of pitting of the bore. 3Times I bought a used MC and all 3 were pitted beyond honing and rebuilding. So I gave up and bought a new after market 16mm bore master. I never did get around to installing it before I sold the bike. I still have it if you are interested.

    Will my shiny MC cover fit?
    TANSTAAFL

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    Default Re: Another discussion about delinking the brakes.

    I will have to pull it out to check, but I really doubt it. That does not mean that you can not take the cover off of this one and sand and polish it then clear coat it to stay shiny. Heck you could make the whole thing shiny if you were that ambitious.
    Jeff Borowski . . Had 88 Venture standard, now 2011 Silverado 4x4
    There are 10 kinds of people that understand binary, those that do, and those that don't.
    Sometimes the thoughts in my head get bored and go for a stroll out through my mouth (or fingers). This is never a good thing.


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    Default Re: Another discussion about delinking the brakes.

    Cuz I'm lazy, can you just delink the rear MC, cap port to front use it for just the rear? Does it get too touchy?
    is there still a de-link "kit" available?
    Checked the bins and I have a pair of braided lines to do the front, need to dig for a dual length banjo bolt.
    90 Royal Venture fiddle futzing, cuz I just can't leave well enough alone.

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