What Did You Did To Your Motobrick Today ?

[The Mighty Gryphon]

Nice job!!! :2thumbup:

[Scud]

Seized front brake master cylinder fixed


K1100LT 1993 FBMC was seized. No manner of coercion would free it. Piston retaining screw was removed. Brake line bolt out
None had appeared online for months. Then I saw one in Germany $450.
Had to return to the shed (despite far higher priorities) and have another go.


Tried heat, WD40, INOX, vinegar, compressed air, levering piston forward through brake line hole...
Was going back and forth hitting the end of the piston with a piece of dowel and then compressed air. Was getting about 1-2 mm of movement


Epiphany: put the brake lever back on MC. hold the whole thing in a vice (soft jaws) and rapidly alternate lever (to compress the piston back into the bore and compressed air into brake line hole. Magically after 5 attempts the lever "boned up" as the compressed air forced the piston past whatever was holding it back and against the lever.


Lever back off, more air and out came the piston (against a wooden stopper). Cleaned the rubbers up with air and 1200 grit wet and dry to hone the bore.


Cheering


Smiley face HERE


Will be attempting to start this $500 ex police bike in about a week or 2.

 :2thumbup:  And it is such a satisfying experience to finally clear a difficult obstacle like that - and then to bring something back to life.

[Glacial]

Not exactly today but this is the first opportunity to write up.


I always ended up with a pain between the shoulder blades when riding my K75s.  The bars had been changed by the PO to the 'C' bars and somehow it just didn't work for me no matter how much I tried to levitate the X-Wing out of the swamp. So I decided to give the RT bars a shot and now I am comfortable and happy whenever I ride. I feel like I have better low-speed control; I can look around properly at junctions (translation: intersections) and I feel like I am looking in the right place all the time instead of about 2m short of it because my neck is at the right angle. Hence good result for my shape and size (I'm 5' 11'').


Along the way I have also got hold of a city case for commuting to work.  The case had to be plastic welded to repair a crack but that has worked well (some fine wire mesh and an old soldering iron was all that was required). I am looking for a left-hand city case if anyone in the UK has one spare.


I raised the screen height with an MRA unit that looks OK to my eyes attached to the standard S screen. I also fitted a pair of engine bars and re-located my riding lights onto them. Finally a comfort seat is doing what it says on the tin.


All-in-all I'm very happy with my new set-up.

[The Mighty Gryphon]

That looks pretty good.  I'm surprised at how the RT bars don't look out of place on the S.  I always looked at that model as being more of a narrow bar lean forward type of bike.  I hear you about seeing cross traffic.  I have problems with my S and RS bikes turning my head to see approaching traffic at intersections.

Looks like you went the other direction from me on your windshield.  I went lower to get the turbulence below my helmet while you went higher.  How does it work?  Has it reduced wind noise for you?

[Glacial]

Thanks MG, I agree the bars do look like they belong.  One factor may be that the rake of the bars matches the angle of the screen which makes it look designed rather than the complete serendipity that it is! The screen pushes turbulence just to the upper few inches of my helmet, so it is fairly quiet.  I have not yet done a set of test runs with the variable section set at different heights and angles. I may have arrived at the sweet spot by chance or there may be a better setting.  I'll report back what I find.

[Vespa no more]

I find the wind turbulence on my RT (100) quite noisy and annoying. Am not convinced it's not the helmet (AGV K3). Have to wear ear pugs. I do have the standard deflector on the top. I am 181cm / 6ft. At 5000rpm + (speedo not working) it gets a little distracting.


Seeing that my speedo doesn't work, can someone please confirm speeds (in KM p/hr)
I'm guessing
2000 rpm = ?
3000 rpm = 60
4000= 80
5000 = 100
6000=?
7000 =? Curious... I know it's license meltdown time here and higher


Where it matters (cameras etc) I sit behind a car
Have tried the usuals (cleaning ribbon connector (unable to totally remove this) and speed sensor on final drive)


Regards
Guy

[Laitch]

I find the wind turbulence on my RT (100) quite noisy and annoying. Am not convinced it's not the helmet (AGV K3).Seeing that my speedo doesn't work, can someone please confirm speeds (in KM p/hr)

You should make friends that you can ride with to help you confirm speeds, Guy. It's not difficult—a cup of coffee or tea, friendly banter, an occasional compliment.

The speed of an early K100 with a 3.00 ratio at 5000rpm can be plotted from Anton Largiader's interactive gear ratio chart. 1 km = 0.62 miles

[Brad-Man]

I always wonder why people only state their height when there is so much variation in inseam/torso/neck length.  Even arm length plays in the position of one's head.

Kinda like saying a certain spring works well on a certain shock on their bike without stating their weight....

In the IT world such incomplete data would result in a GIGO condition.

If one REALLY wants to share information or is requesting advice it would behoove one to provide ALL pertinent variables....

[Laitch]

If one REALLY wants to share information or is requesting advice it would behoove one to provide ALL pertinent variables....

In addition to weight, those variables would include chest span, waist span, gut span, helmet dimension, boot size, boot or sandal material, and whether the gear being worn is leather, Cordura, mesh (include mesh opening size), gear weight, helmet weight, whether full face protection is used and, if not, whether riding with mouth open or closed.

[Chaos]

too much data can have the same net result as too little.  Music preferences as a teenager factor into wind noise equations too.

[Brad-Man]

too much data can have the same net result as too little.  Music preferences as a teenager factor into wind noise equations too.

Definitely!

I thought I was relatively terse in my suggestion - and brother Laitch was somewhat more profligate...or should I say a bit more over the top?

He also forgot to mention exactly how one is holding their tongue that's sticking out - this obviously affects weight distrbution...

[The Mighty Gryphon]

Laitch's curve looks pretty good.  On my K75RT with 32:10 final drive cruising speed on the slab or in open country out west is 85mph which I think is around 5500rpm.  My conversion skills aren't that great, but I think that works out to something like 135kph.

[Vespa no more]

Thanks for the feedback.


Forgot to add the variables - but thought that most here would be familiar with them:


One testicle larger than the other, occasional erection, haemeroid, bung eye, runny nose at high speeds on cold days, deflector missing a plastic screw (broken off), difficulty talking about my emotions (conversation definitely out - good at grunting - especially at the penultimate moment), increasingly intolerant in my old age, tendency to fixate on specifics not taken into consideration by others, thinking about getting some ink...


Thanks for the speedo / rev chart. Will duly etch tacho screen with speeds. 135 @ 5,500rpm!... got to 6,500 this morning. Have ordered some inlet manifold rubbers to address vibrations and properly synch throttle bodies (not worried about reputed "world of pain"... Trump got "elected"). Still have lower sections [/size]and internal pieces of fairing off for access until I am happy with bike.On way home freeway between Sydney and Wollongong, the sunday harley brigade were out blocking the traffic. Herd mentality very evident - can't be separated. Once past them, very pleased to get a straight section and open up... but being sunday had to be wary of plod hiding like an ambush predator looking for the likes of me.

good riding to you all


Guy

[Chaos]

Thanks for the feedback.


Forgot to add the variables - but thought that most here would be familiar with them:


One testicle larger than the other, occasional erection, haemeroid, bung eye, runny nose at high speeds on cold days, deflector missing a plastic screw (broken off), difficulty talking about my emotions (conversation definitely out - good at grunting - especially at the penultimate moment), increasingly intolerant in my old age, tendency to fixate on specifics not taken into consideration by others, thinking about getting some ink...


 and internal pieces of fairing off for access until I am happy with bike.On way home freeway between Sydney and Wollongong, the sunday harley brigade were out blocking the traffic. Herd mentality very evident - can't be separated. Once past them, very pleased to get a straight section and open up... but being sunday had to be wary of plod hiding like an ambush predator looking for the likes of me.

good riding to you all


Guy

with that new information  (A)  deer whistles are a must, mount on the wheel rims.  (B)Tires should be filled with helium  (C) insure your guardian bell has not filled with evil spirits. 

[Laitch]

. . . (C) insure your guardian bell has not filled with evil spirits. 

:clap: So many of us seem to neglect bell maintenance.

[rbm]

Seeing that my speedo doesn't work, can someone please confirm speeds (in KM p/hr)
I'm guessing
2000 rpm = ?
3000 rpm = 60
4000= 80
5000 = 100
6000=?
7000 =? Curious... I know it's license meltdown time here and higher

Assuming you're in 5th gear on a standard 84 K100RT, your chart reads:

• 2000 = 54 KPH
• 3000 = 80 KPH
• 4000= 108 KPH
• 5000 = 134 KPH
• 6000 =161 KPH
• 7000 = 189 KPH
• Redline = 211 KPH

[kris]

Gryph and Robert soberly brought us back to the answer to the question, although some of the other replies were pretty entertaining . Do you have a GPS hanging around? Wouldn't hurt to check your speeds against that output. I bet the cops your way would like to make some dough as much as the cops my way. A sense of humour in these matters is a thing of the past.


Good luck!

[The Mighty Gryphon]

Rob, thanks for the good numbers.  I was posting the indicated speed on my highly optimistic speedo.  DOH!!!

[Vespa no more]

Thanks Rob


Didn't think it was that fast


Bike gets to 6500 quite easily.


I am quitting before the bike - traffic or fear of the unknown (police and to a lesser extent - bike recently returned to road after 8 year hiatus). 8000 will take some space and bravery.


Will print these figures out and tape them to the top of the speedo until it is fixed.


Next target is to eliminate vibrations. And while the K100 is notorious for vibrations (versus the K75), does anyone have a vibration free K100. If so - was there any secret.


Pet hate of mine - noises and vibrations on vehicles


Thanks again


Guy

[Martin]

Try this  http://www.ibmwr.org/ktech/vibration-fixes.shtml   Do you think the vibrations are wheel, tyre related or engine gearbox related. Do the vibrations differ between different gears same revs, different road surfaces.  Have you check your rims for true, have you balanced your wheels.
Regards Martin.

[jakgieger]

Next target is to eliminate vibrations. And while the K100 is notorious for vibrations (versus the K75), does anyone have a vibration free K100. If so - was there any secret.
Pet hate of mine - noises and vibrations on vehicl

Guy,  I share your dislike of vibration (I run without side cases 95% of the time and have fiddled my heat shield to death).  You have to be more specific in you description of vibration.  Martin's guide is excellent.  I came from an R60/5.  It only had one "sweet spot" (wide open ), so to me the K is smooth, especially when compared to operating a tractor :hehehe .  That being said, a tire/wheel caused vibration is very common and drives me over the top.  Start there first!

[The Dude]

But there's good vibrations and there's bad.You can isolate them,ballance them with lumpy synchronous shafts or absorb them.
Four cylinders,180 degrees in line,produce significant harmonics that are annoying so become tiring.Buzzy handlebars and numb hands.Inline sixes are the sweetest with no need for a ballancer shaft which a tripple in line 120 degree is helped with(half a six).The Laverdas with the 180 degree was a brute.The 120's were like the Triumph Tridents of old,quite nice.I hate the parallel 360 degree twin,I lived with mine for half a million km.(Two blue printed swapping motors and hundreds of rebuilds.)
 A 90dgree V configuration produces something that is just Devine.The frequency is somewhat at what my alpha brainwave frequency is at and a trancelike state can be achieved.Then there's the glorious noise.
 Electric is on its way and we may want our vibrations back so we don't have to look at the tacho to know we're thrashing it.
Rattles are disconcerting,especially if they're iregular.

[Vespa no more]

Thanks for the responses


Holidays have just started so shed time is available... once the xmas shopping is done. Some car action needed (lower control arm and upper ball joints).


Waiting on some parts from motobins - including 2 manifold inlet rubbers.


Will follow Martin's suggestions. Have worked through half of the suggestions on the link. Will phone around for wheel balance...tires have VERY little use. Time to find some lead shot for the handle bars!?


Am surprised at the speeds given by Rob (thanks again) - 6500rpm is approx 170km. It felt all too easy.


Have started on K1100LT project. Cleaned around throttle bodies (unlike K100 ... cleaned up quickly), injectors flushed clean, spark plugs replaced (3 didn't have the little cap on the top, difficulty getting socket to fit onto plug). More fluids to be changed... will post progress.






Regards


Guy

[Filmcamera]

Today I used the special rust-oleum vinyl paint to respray the backrest of my 22 ltr top case from the original champagne to black to match the paint job I had done.


I think it came out great and the product is a breeze to use.


Here is a link in case any one else needs some.


https://www.amazon.com/gp/product/B003CT4ASE/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1

[The Mighty Gryphon]

That case looks pretty good!