Author Topic: Das Brick: 93 K75 S Renovation (Read 82167 times)

Bon Jon Bovi · « **Reply #75 on:** March 17, 2020, 01:37:24 PM »

Cruising ebay, it appears this rear master cylinder is a generic knock-off. And OEM is a smidge confusing, but I believe I need the $250 unit vs the $150 unit. From what I read, the cheaper one [34 311 454 351] is for 16V/13mm bikes, while the high-dollar [34 311 458 142] version is for 8V/12mm bikes. Or it's a non-ABS/ABS I/ ABS II thing. No wonder he put a $12 unit on here.

Martin · « **Reply #76 on:** March 17, 2020, 02:08:19 PM »

See here http://www.motobrick.com/index.php/topic,9364.msg116179.html#msg116179 I've been running a Chinese rear master cylinder for the last 3 years with no problems it actually feels a bit better than the OEM. WARNING do not use the reservoir to master cylinder supply hose as they are not rated for brake fluid and will disintegrate. Quite a few members are now running them with no other known problems. They now come in black.
Regards Martin.

Bon Jon Bovi · « **Reply #77 on:** March 17, 2020, 02:13:03 PM »

Thanks mate. Guess I'll just cut the useless tang off so the boot can cover the piston contact area and be done witit.

Martin · « **Reply #78 on:** March 17, 2020, 02:26:00 PM »

In OZ it will cost me $300.00 Au plus freight to get a OEM from the UK. A master cylinder kit from the UK is $121.00 Au plus freight. A Chinese one cost me around $15.00 Au free freight. I can get replacement cylinder cups for it for $10.00 Au, but at the price it's not worth it I just bought a spare.
Regards Martin.

The Mighty Gryphon · « **Reply #79 on:** March 17, 2020, 05:28:58 PM »

The ChiCom master cylinder is definitely the way to go. Just don't lick it.

I cut the tang off of mine and used a black cable tie to secure the boot. 12 or 13mm, I don't know what I have, all I know is they're gold colored and can trigger the ABS on dry pavement if I really lay into the pedal.

For $11-12 they are a steal.

Bon Jon Bovi · « **Reply #80 on:** March 17, 2020, 08:09:05 PM »

So the rear master cylinder is sorted for now. The bike came to me with the ABS bypassed but I'm putting it back together to see if it works, so this master cylinder is an unknown as far as that goes. From what I've read here it should be a non-issue.

Not much progress otherwise today, but tons of aggravation. I went back to the injectors to try and get the plastic caps out of the head but they're gutenshtück. If I booger them up can they be had in the marketplace? EME no gots, but I spose I could buy some ebay injectors to get the caps.

Worked on the wiring and hose routing on the right side under the coolant tank and by the footpeg plate. AND discovered one of the SPiegler hoses is about 3" too long.

Rcgreaves · « **Reply #81 on:** March 17, 2020, 08:15:30 PM »

There are some remanufacturers if injectors. Also a guy people goto for sorting ABS modules. I have some extra injectors but they are unknowns from an acquisition- price is right too..

Bon Jon Bovi · « **Reply #82 on:** March 17, 2020, 08:24:27 PM »

Quote from: Rcgreaves on March 17, 2020, 08:15:30 PM

There are some remanufacturers if injectors. Also a guy people goto for sorting ABS modules. I have some extra injectors but they are unknowns from an acquisition- price is right too..

Just wanting to know what I’m facing coz I’m pretty darn sure those caps are gonna not be reusable once I did them out. I’m probably gonna just wait till I get to ride the thing before tackling this issue.

The Mighty Gryphon · « **Reply #83 on:** March 17, 2020, 08:55:26 PM »

https://www.ebay.com/itm/1987-1996-Ford-F250-7-5L-460-Bosch-EV1-Fuel-Injector-Rebuild-Repair-O-ring-Kit/312588994227?hash=item48c7c186b3:g:QNIAAOSw~oFXFpcz

I just did the injectors on my 1988 K100RS.

Bon Jon Bovi · « **Reply #84 on:** March 17, 2020, 09:00:21 PM »

Quote from: The Mighty Gryphon on March 17, 2020, 08:55:26 PM

https://www.ebay.com/itm/1987-1996-Ford-F250-7-5L-460-Bosch-EV1-Fuel-Injector-Rebuild-Repair-O-ring-Kit/312588994227?hash=item48c7c186b3:g:QNIAAOSw~oFXFpcz

I just did the injectors on my 1988 K100RS.

Thanks for the link, I’m on it.

Martin · « **Reply #85 on:** March 17, 2020, 09:07:08 PM »

AliExpress has complete injector kits, "O" rings, filter, spacer, pintle caps $1.85 set of 4.
Regards Martin.

johnny · « **Reply #86 on:** March 17, 2020, 09:09:48 PM »

greetings...

16 each... f-that... i can getts 5 gallon for that...

Screenshot_20200317-200740.jpg (37.65 kB . 456x576 - viewed 610 times)

j o

Bon Jon Bovi · « **Reply #87 on:** March 17, 2020, 11:08:29 PM »

Here in NM we use MMO for tummy aches and fish fries, works a treat!

Injector caps (pintles, who knew?) on order so I can get to boogering up the old ones now. Something to do tomorrow while it rains/snows. Yeehaw

volador · « **Reply #88 on:** March 18, 2020, 01:50:04 AM »

Quote from: Bon Jon Bovi on March 17, 2020, 01:37:24 PM

From what I read, the cheaper one [34 311 454 351] is for 16V/13mm bikes, while the high-dollar [34 311 458 142] version is for 8V/12mm bikes. Or it's a non-ABS/ABS I/ ABS II thing.

the cheaper 34 311 454 351 13mm rear M/C was first introduced on the 1984 K100 later when 1986 K75 was introduced all was changed to 12mm

3 different rear M/C offered through EME with corresponding repair kits

https://www.euromotoelectrics.com/product-p/bmcylinder351.htm

https://www.euromotoelectrics.com/product-p/bmcylinder867.htm

https://www.euromotoelectrics.com/product-p/bmcylinder142u.htm

Bon Jon Bovi · « **Reply #89 on:** March 21, 2020, 09:08:51 PM »

Tangible progress this week since I don't have to waste my time hunting the new hen's teeth: chicken and toilet paper.

Spent most of today chasing a non-existent fuel pump issue as I didn't understand that it's not the same as the R1100RT, which spins the pump as soon as you move the kill switch to the run position. Decided to hit the start button and, omg, vroom-vroom-vroom.

Some pics:
Injectors reinstalled w/new o-rings:

Tie wraps cinched on, warrs and sech tucked away:

OEM exhaust installed after an appropriate amount of adjustin fussin n cussin:

My two pesos says BMW used a small skyhook to suspend the airbox, then built the bike around it

(bet it goes together like a dream when the motor is sitting on a work bench). And the lack of space anywhere made it clear why they used those special-pliers-required minimalist clamps all over:

Now I'm waiting for the rest of the parts to rebuild the forks, which I shoulda ordered it all the first time instead of just the seals but didn't:

Be safe out there, never know when Johnnie might walk up and sneeze on you.

TommyT · « **Reply #90 on:** March 22, 2020, 09:17:31 AM »

I have to ask am the only that can't see the pictures in this tread? Sounds like alot if good work that I can't see. I see do pictures in other threads.

Past-my-Prime · « **Reply #91 on:** March 22, 2020, 10:18:55 AM »

Quote from: TommyT on March 22, 2020, 09:17:31 AM

I have to ask am the only that can't see the pictures in this tread? Sounds like alot if good work that I can't see. I see do pictures in other threads.

Photos are a funny thing on this website -- they will sometimes appear later or disappear spontaneously. Possibly it's a Quantum Thing. I also have challenges uploading photos to "my gallery" despite following the instructions, it seems that my category disappears between selecting and uploading. Not sure if that's why some of the OP's pics are visible and others aren't. From the ones that are visible, I am impressed with the quality of the work however, and it's an inspiration.

Laitch · « **Reply #92 on:** March 22, 2020, 10:56:22 AM »

Quote from: TommyT on March 22, 2020, 09:17:31 AM

I have to ask am the only that can't see the pictures in this tread?

Check your computer settings. I'm viewing all of them on an out-of-date Mac.

Bon Jon Bovi · « **Reply #93 on:** March 22, 2020, 12:51:04 PM »

Bollocks, couldn't see my own pics, and I always preview before posting. Oh well, reposted them so hopefully viewable by all, unless you're running Windows 95 or iOS 9.

I also got the fuel line routed, turns out it was installed correctly, just wasn't pushed all the way on to the tank nipple, creating a bend that was causing a pinch in the line. Old:

New:

Now stop reading and go get your Brick on (those that have rideable Bricks

)

Weird, the 2nd pic took three tries before it would show on the preview. SPRING WHACKNESS!!

Martin · « **Reply #94 on:** March 22, 2020, 02:20:51 PM »

I tried to order the fuel return line to the tank from the FPR but was told a 6 week wait from Germany. In order to stop the kinking I resorted to fitting a ~~Unicorn~~ Unicoil I did have to fit a second EFI clamp below the coil to stop it sliding down.
Regards Martin.

Unicoil 1.jpg (4.78 kB . 140x105 - viewed 535 times)

Bon Jon Bovi · « **Reply #95 on:** March 22, 2020, 03:23:27 PM »

Quote from: Martin on March 22, 2020, 02:20:51 PM

I tried to order the fuel return line to the tank from the FPR but was told a 6 week wait from Germany.
Regards Martin.

Yeah, EME told me it could be awhile on the bump stops I ordered for the Instrument cluster, same reason: coming from the Land of Deutsche.

TommyT · « **Reply #96 on:** March 23, 2020, 07:54:35 AM »

Quote from: Laitch on March 22, 2020, 10:56:22 AM

Check your computer settings. I'm viewing all of them on an out-of-date Mac.

I am using a tablet and Chrome browser. Don't see any setting that would seem to help. I can see Martin's picture in the latest post he did, but not Bon's new post. Go figure....I will just use my imagination!

natalena · « **Reply #97 on:** March 23, 2020, 08:17:30 AM »

BJB, thanks for the rebuild tour. It's fun watching your progress, and looking forward to your "yee haw" pics this spring.

Bon Jon Bovi · « **Reply #98 on:** March 23, 2020, 11:21:33 AM »

Quote from: TommyT on March 23, 2020, 07:54:35 AM

I am using a tablet and Chrome browser. Don't see any setting that would seem to help. I can see Martin's picture in the latest post he did, but not Bon's new post. Go figure....I will just use my imagination!

I fought with this yesterday and got them all to be visible again, but as of now they're MIA. While I realize partly-nude Bricks may be considered porn by some of us, I don't think that's the issue. And I'm using the same posting procedure I've been using. Time for a webmeister to step in and see what's seeped into the site. I also got a new notification on a watched topic this morning that dates back to February. Whack.

Laitch · « **Reply #99 on:** March 23, 2020, 01:10:22 PM »

Quote from: TommyT on March 23, 2020, 07:54:35 AM

I am using a tablet and Chrome browser. Don't see any setting that would seem to help. I can see Martin's picture in the latest post he did, but not Bon's new post.
Quote from: Bon Jon Bovi on March 23, 2020, 11:21:33 AM
I fought with this yesterday and got them all to be visible again, but as of now they're MIA. I'm using the same posting procedure I've been using. Time for a webmeister to step in and see what's seeped into the site. I also got a new notification on a watched topic this morning that dates back to February. Whack

If something had seeped into the site, it would most likely be affecting all of us. What is more likely is local ISPs are having intermittent trouble with capacity because more people are using their computers for work and shopping for necessities. I'm in a mountainous area with a DSL service that usually provides a reliable low upload and download speed but right now it's stalling occasionally. I'm still able to receive updated threads with photos but sometimes the service stalls and I need to take a second or third run at access by reloading the site. Other ISPs also might be intermittently congested and that causes stalling of access to information or late delivery. It's all part of Armageddon. Embrace it.

If they haven't already, members should go to their Profile tabs then click on Notifications in the left column to choose whether to be notified of news or announcements. They also should check the Look and Layout section and identify which features they might want to obtain or exclude

El Comandante is likely already aware of security breaches, bug incursions and aberrant site behavior, or will be after reading this thread.

News:

Author Topic: Das Brick: 93 K75 S Renovation (Read 82167 times)