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Author Topic: K100RS parked for four months outside in all weathers  (Read 195374 times)

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #100 on: December 08, 2016, 11:35:05 AM »
I tried that no luck but then I got lucky - I tried a T 50 torx bit and that gave me enough leverage to crack it and get it out  :clap:


Needless to say the transmission was dry as a bone.  I don't have the special dipstick but Clymers shows it and the lengths in mm of the handle and oil measuring levels.  So I used those and it took 400 ml before even registering.


I am going to order a new screw plug and washer and will see if I can also find the correct dipstick - the washer wasn't even there on mine which is no doubt why the PO gorilla'd the nut hoping to stop leaks.
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #101 on: December 08, 2016, 11:59:16 AM »
OK now I know why the transmissions was dry - big old leak from the clutch boot.. more parts to order :musicboohoo:   - do I just need the clamp and the boot itself or there are other bits I should swap out while I am in there?



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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Laitch

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Re: K100RS parked for four months outside in all weathers
« Reply #102 on: December 08, 2016, 12:10:36 PM »
Quote from: Filmcamera on December 08, 2016, 11:59:16 AM
there are other bits I should swap out while I am in there?
El resorte.
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  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles
I wept because I had no radials until I met a man who had no splines.

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #103 on: December 08, 2016, 12:21:50 PM »
The spring - ok thanks - o sea gracias
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline MaraudeRS

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Re: K100RS parked for four months outside in all weathers
« Reply #104 on: December 08, 2016, 12:47:07 PM »
Quote from: Filmcamera on December 08, 2016, 11:35:05 AM
I tried that no luck but then I got lucky - I tried a T 50 torx bit and that gave me enough leverage to crack it and get it out  :clap:


Needless to say the transmission was dry

Nice job!

Reminds me that I need to check my trans fluid...thanx!


Sent from my iPhone using Tapatalk
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  • Monterey, CA
  • 1992 K100RS

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #105 on: December 08, 2016, 12:51:07 PM »
LOL I checked mine because of this thread - http://http://www.motobrick.com/index.php/topic,9134.msg74466.html#msg74466 - see this forum helps us keep up our maintenance!
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline The Mighty Gryphon

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Re: K100RS parked for four months outside in all weathers
« Reply #106 on: December 08, 2016, 01:13:52 PM »
Looks like you're making some nice progress against some pretty annoying obstacles.   :clap:

No need to spend time aand money trying to source a transmission dipstick. 
Get a piece of coat hanger wire about 8" long. 

Bend a 1 1/2" loop in one end. 

Measure down the specified length for the oil level from the bottom of the loop. 

Cut the wire of about 1" below the oil level measurement. 

With a hammer flatten the wire for the bottom 1 1/4".  The flat will make it easier to see the oil level on the stick.

On the flattened part of the wire mark the oil level by tapping with a chisel or scratching it in with a file or fine hacksaw blade. 

You now have a lightweight dipstick that will take up nearly no space in your tool kit.
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  • In my garage in Marilla, NY
  • '91K100RS White/Blue
Current:
'91 K100RS16V "Moby Brick Too"

Past:
'94 K75RT "Ilsa, She Wolf of the SS"
'92 K100RS16V "Moby Brick" (RIP, deceased in a vehicular assault)
'94 K75S Special Edition Dakar Yellow "Cheetos"
'89 K100RS Special Edition "Special Ed"

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #107 on: December 08, 2016, 01:32:34 PM »
Thanks I will make one for sure and post the results...


Progress has been painfully slow recently - largely due to the fact that every time I start somethign it reveals more parts needed which is 2 to 3 week process to get them down here.


Having said that I am supposed to get the parts back from powder coating tomorrow which is very exciting.  That means I can finally reassemble the forks, front brakes and get the front wheel back on.


After that it is just waiting for the tank etc from paint (now) the clutch boot, a quick spline lube, rebuild everything and off we go...
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #108 on: December 08, 2016, 03:00:21 PM »
In preparation for the clutch boot job and to see better what is going on I took off the exhaust - surprise surprise it isn't exactly mint...


I am pretty sure I can get the header welded but wanted to ask about the much blacker colour on the same pipe.  Is that possibly an indication of that cylinder burning oil? Should I be worried or put it down to the fact the pipe was cracked?
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Martin

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Re: K100RS parked for four months outside in all weathers
« Reply #109 on: December 08, 2016, 03:09:40 PM »

It looks like it has been repaired before, Gryph I believe had problems with cracking header pipes, I believe he changed to a different model. Apparently earlier model didn't crack. The black could also be one cylinder running rich.
Regards Martin.
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  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline The Mighty Gryphon

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Re: K100RS parked for four months outside in all weathers
« Reply #110 on: December 08, 2016, 04:07:43 PM »
The headers on these bikes(K100RS 4V) have a cracking problem.  According to BMW dealer records, my bike had the exhaust replaced under warranty 3 times before the owner gave up and installed a Remus system in 1996 or 7.   That exhaust lasted until 2015 when I swapped it for an earlier model K100 exhaust because I didn't like how annoying it was when riding in town.

The early model exhaust fits with a bit of fussing to get the stands to retract properly, and sounds the way I like my bikes to sound(not loud).  The only thing different is that because of the different foot peg mounting plates the pipe sticks out a bit further than the original exhaust.  No big deal unless you're a peg dragger in which case the end of the pipe will drag a bit before the pegs.  On the other hand, it does make getting the rear wheel out a bunch easier.
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  • In my garage in Marilla, NY
  • '91K100RS White/Blue
Current:
'91 K100RS16V "Moby Brick Too"

Past:
'94 K75RT "Ilsa, She Wolf of the SS"
'92 K100RS16V "Moby Brick" (RIP, deceased in a vehicular assault)
'94 K75S Special Edition Dakar Yellow "Cheetos"
'89 K100RS Special Edition "Special Ed"

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #111 on: December 08, 2016, 05:11:01 PM »
Perhaps not the finest welding in the world, though still far better than I could do.


For the grand sum of $5.50 I have to say I am happy...
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Martin

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Re: K100RS parked for four months outside in all weathers
« Reply #112 on: December 08, 2016, 05:24:25 PM »

Gryph do they crack roughly in the same place, and if so do you think a  2'' gusset between two pipes would be beneficial.
Regards Martin.
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  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #113 on: December 08, 2016, 05:27:40 PM »
It certainly looks like mine cracked very close to where it was repaired last time.  I had the same thought, some kind of sleeving on each one to reinforce them close to the branching of all four would probably solve the problem.-
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Martin

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Re: K100RS parked for four months outside in all weathers
« Reply #114 on: December 08, 2016, 05:29:36 PM »
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  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline The Mighty Gryphon

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Re: K100RS parked for four months outside in all weathers
« Reply #115 on: December 08, 2016, 05:49:05 PM »
I can't say where the headers on my bike cracked since they were replaced by a previous owner.  I have heard of several others with 4V K100RS models that had exhaust cracks so it seems like a common problem.

When I replaced the Remus i was reluctant to use the original model exhaust based on the earlier problems.  Since a lot of parts are interchangeable between years and models, I decided I would take a chance on an early model exhaust.  Was very pleased to find that it worked.
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  • In my garage in Marilla, NY
  • '91K100RS White/Blue
Current:
'91 K100RS16V "Moby Brick Too"

Past:
'94 K75RT "Ilsa, She Wolf of the SS"
'92 K100RS16V "Moby Brick" (RIP, deceased in a vehicular assault)
'94 K75S Special Edition Dakar Yellow "Cheetos"
'89 K100RS Special Edition "Special Ed"

Offline Laitch

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Re: K100RS parked for four months outside in all weathers
« Reply #116 on: December 08, 2016, 05:54:11 PM »
Quote from: Martin on December 08, 2016, 05:29:36 PM
http://www.k100-forum.com/t10630-k-series-exhaust-headers-cracking-a-possible-prevention#125768
 Have a look might help regards Martin.
That's a great find, Martin, and bound to help those looking for a solution or attempt at prevention.  :2thumbup:
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  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles
I wept because I had no radials until I met a man who had no splines.

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #117 on: December 08, 2016, 06:08:13 PM »
That is a great idea, I am going to try it for sure.  Thanks Martin
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #118 on: December 09, 2016, 06:54:25 PM »
After three months - or maybe more - a pair of ABS modulators I got from someone on this site finally arrived today.


They look in great condition except... when removing them from the bike he couldn't be bothered to disconnect the plugs so he CUT the wires.


At first glance there is no way to get into the modulator and try and switch out the wires. Has anyone ever tried to open one up?


I am pretty upset - he kindly gave them to me for free but it has cost me the best part of $200 in tax and shipping to get them here.



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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Martin

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Re: K100RS parked for four months outside in all weathers
« Reply #119 on: December 09, 2016, 07:37:49 PM »

Probably wouldn't be pretty, but you could carefully cut off the rubber boot on your new modulator exposing the wires. Try to cut off close to the modulator and slide it off over what remains of the wires. Do not damage the wires while you are doing this. Carefully strip back the wires enough to solder them try to stagger the joins also keep the joins short. You are staggering the joint so as to keep it as slim as possible.Then cut off the harness from your old modulator, again try and remove the boot you might need it if you stuff up the other one. Then stagger the wires to match the new ones, make sure you match the colour coding. Slide on some heat shrink to cover the individual wires and the boot, also put a large piece of heat shrink over in case you can't get the boot to fit over. Keep the solder joins as fine as you can you need to keep the join as slim as possible.
Regards Martin.
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  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #120 on: December 09, 2016, 08:16:06 PM »
I think, on semi-mature reflection, I will install everything with the old modulators and the new brain before I start cutting wires. I suspect that one of the parts least likely to fail is the modulators, that when things on the ABS system fail it is more likely to be the brain ad or sensors before the modulators (this may well be pure wishful thinking on my part).


So install, test, gingerly, and revisit if necessary is my plan for now.
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
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Offline Elipten

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Re: K100RS parked for four months outside in all weathers
« Reply #121 on: December 09, 2016, 09:17:58 PM »
If using heat shrink tubing I would use the type with the sealant in side to make it more waterproof


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  • San Antonio, TX
  • 1990 K75RT

Offline Martin

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Re: K100RS parked for four months outside in all weathers
« Reply #122 on: December 09, 2016, 09:23:00 PM »
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  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline The Dude

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Re: K100RS parked for four months outside in all weathers
« Reply #123 on: December 09, 2016, 11:11:45 PM »

Quote from: Filmcamera on December 09, 2016, 08:16:06 PM
I think, on semi-mature reflection, I will install everything with the old modulators and the new brain before I start cutting wires. I suspect that one of the parts least likely to fail is the modulators, that when things on the ABS system fail it is more likely to be the brain ad or sensors before the modulators (this may well be pure wishful thinking on my part).


So install, test, gingerly, and revisit if necessary is my plan for now.
Good plan to hope it's just the brain first of all.
I use a short length cut from copper plumbing tube with heat shrink on top to make good electrical cable connections I crimp the tube with vice grips.
Yes,I know it's a Bodger's way of doing it but Bodging used to be a legitament trade when I was growing up,er when I was a lad.. :musicboohoo: you would use a Bodger who could fix anything with whatever was lying around!A great loss to our instant gratificated throw away society IMHO. :dunno
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  • Auckland, New Zealand
  • K75s
Current.
TR6R 1973 from new.
Moto guzzi 850 III .1983 from,almost, new.
K75S 1986 from new.vin-0103141
On my second millionth km.give or take a hundred k Kay's.
"The Dude abides. I don't know about you but I take comfort in that. It's good knowin' he's out there."
All the best!

Offline Filmcamera

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Re: K100RS parked for four months outside in all weathers
« Reply #124 on: December 10, 2016, 06:16:35 AM »
When it comes to my soldering skills I aspire to bodger - I dream of the day I am competent enough to consider myself a bodger - I am currently working my way up the levels and am somewhere between noob and hack at the moment....  :dunno2:
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  • San Jose, Costa Rica
  • 1991 K100RS 16v ABS1, 2018 Triumph Street Triple RS 765
Poserbricker
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