LAVERDA 1000 SFC Superleggera Part one

you mean - without the engine, right?

honestly: I think the difference is between a TT-Racer and a street ready bike, lightened to the max. Also, the claim of 170kg is not totally correct. There was a guy in OZ who raced a TTF1 after lightening it massively again and then it weight in at 180kgs:

ozlaverda.com

Laverda Racing-Factory RGS TT F1 for Australia

There's been much debate about how many Factory RGS TT F1 were produced and where in the world they went to. Laverda prepared a bike for TTF1 champion
ozlaverda.com ozlaverda.com

So - I assume the factory TT-F1 was more in the ballpark of just below 200kgs I would say, but might well be proven wrong soon. I know of one bike though that was raced by Michael Stöcker in the 90's, belonged to Uwe Witt for a long time and that now is owned by Michael, wich was taken FAR beyond the race-status of the 80's by replacing the rims with extremely light ones, the rear brake, too, alternator removed etc. etc. etc. and now comes down to 165Kgs if I am not mistaken, with something like 110 - 115 HP. pretty fast beast with a well experienced rider/owner... so - 170 on the factory TT-F1 is something I still doubt.
 
As per the link above, 180 kilos was after a massive reduction further to the factory reduction. I still have my doubts that 170 Kilos (74 kilos below stock...) was possible by then. keep in mind that the factory was always aiming for reliability first. shaving 74 kilos off of a standard RGS would have meant to drill everything hollow to an extend that it would break during a long distance ride most probably. I am not saying it is impossible at all, I just have my doubts they knew hot to do that beginning of the 80's and even if, they would have done it. Can't find any specs though online other than the link above, so - who knows...?

ist it maybe @RGScott on this forum? He wanted to write an article about the TT F1 according to this message:

Laverda TT-F1 History, Video's & Pictures

Hi All I thought I would do one last call out before I finalise my current 12 months of research and produce a small doc on the Laverda TT-F1 bikes. If you have any information, video's or pictures of any of these bikes from any racing events, shows, Laverda gatherings etc. I would greatly...
laverdaforum.com laverdaforum.com

if so, maybe he can comment, also on the infos I linked above from OZlaverda
 
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Laverdalothar said:
So - I assume the factory TT-F1 was more in the ballpark of just below 200kgs I would say, but might well be proven wrong soon. I know of one bike though that was raced by Michael Stöcker in the 90's, belonged to Uwe Witt for a long time and that now is owned by Michael, wich was taken FAR beyond the race-status of the 80's by replacing the rims with extremely light ones, the rear brake, too, alternator removed etc. etc. etc. and now comes down to 165Kgs if I am not mistaken, with something like 110 - 115 HP. pretty fast beast with a well experienced rider/owner... so - 170 on the factory TT-F1 is something I still doubt.
Click to expand...
The bike Michael raced for Uwe was destroyed (by Michael) at a hill climb at Schauinsland. The frame and running gear was junked after retrieving it from under the Armco, the engine cases live on in a much-modified 3CL. I personally re-phased a 120° crank to make that happen, one of two 180° engines with a true LH gear change that I have built. I also twisted two 120 cranks to 180 for Hans T. for both his white and red/grey bikes. Hans hasn't disclosed how much those bikes actually weigh, but pushing them around lets them feel quite light, I'd say around 180-ish kg with road gear.

Michaels present track bike is one of the original RGS Corsa as built by Uwe Witt (7, 8 or 9? nobody knows exactly), originally owned by Georg K. from Cologne, later Bodo B. in Saarbrücken. It is NOT a TT-F1, afaIk it still runs the stock frame. I rode that bike a fair bit back in the day and remember it as being extremely quick. Georg teamed with mate Günther for a Hockenheim 1000km event, had their riding skills been a bit superior, they would have mopped up much of the field. IIrc, they came in mid-field, no mean feat as many top racers used the Easter event as a pre-season training gig. Günther, a devout Ducati rider, said afterwards he had never ridden a faster bike! The Ducati they had planned on using expired shortly before the event, the RGS was Plan B.

The TT-F1 frame is Cro-Mo and considerably lighter. It must also be considered that the TT-F1 crank is about 1.5kg lighter than the stock crank, so it does have somewhat of a handy head start over a stock RGS.

The track bike I share with Willi W. weighs in at around 190kg, no exotic materials used. The alternator cover is in fact from the Witt TT-F1! With a lashing of titanium and carbon fibre maybe a reduction of around 5-8 kg may be possible.

piet

Tuscher I.jpgTuscher II.JPGEisenschwein.JPG
 
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This one of the more interesting threads on the forum. Much information to be had and great to see that people (like Piet) are sharing there experiences gained back in the days when Laverda were more relevant as a race bike.😀👍
Tom
 
Spoke with Michael today and his bike - as Piet rightly mentioned - is a heavily modified RGS Corsa, strictly trimmed down for weight savings. The list of lighter components include (but not exlusively):

-Carbon fibre parts all over the place
-no alternator
-no starter freewheel
-no starter
-lightened and balanced parts afaik all over the engine
-light weight 3-2-1 Exhaust
-striped down electrics with no lights
-massively lightened PVM wheels (something like 3 kilo front and not much more on the rear...!) with light weight brake rotors
-a LiFePo4 accu (0,8 kilos compared to roughly 15 Kilos of the original Battery...)
-etc. etc.

this bike actually comes in at 178 Kilos with oil and battery, no fuel. It is damned quick and Michael knows hot to ride it...:



Michael doesn't recall the weight of the Corsa exactly but was pretty sure it was around or above 200kgs at that time coming from the factory. If you strip some kilos from the lighter frame and add all the heavier components that were on these bikes (heavier wheels than the extremely light weight PVM, no carbon fibre but also a bit lighter fairing and tank etc., heavier battery, alternator, freewheel, starter on the bike etc. etc. etc.), 170 Kilos sounds not achievable with the components on the bike. I think that sounds more like a target than a real weight...

but let's see what the "Super Legera" comes up with... ;)
 
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HI

Like that, plus he can probably find more kg, by making axles and engine parts in titanium, yes we have to make a competition, who can build that relief TT1
 
I am out of that... I sold my Carbon fibre parts to the starter of the thread as I was so angree about Boba not returning my tank after 7 years and countles messages, promisses etc., that I just lost interest in the project.
 
Hi Lothar.

Namely, plus we're late by being in the senior age, where you don't ride as much anymore, plus now they've also destroyed the Bikers Classic, so you don't have to either, (I'm sure you save a lot of money), I've sold my Endurance racers, and now I just go and enjoy myself in my workshop, and build for others, it's nice, personally I think that the Laverda era is going downhill, most people I know are 65 years plus, and people don't ride their bikes more
 
sfc vintage said:
Hi Lothar.

Namely, plus we're late by being in the senior age, where you don't ride as much anymore, plus now they've also destroyed the Bikers Classic, so you don't have to either, (I'm sure you save a lot of money), I've sold my Endurance racers, and now I just go and enjoy myself in my workshop, and build for others, it's nice, personally I think that the Laverda era is going downhill, most people I know are 65 years plus, and people don't ride their bikes more
Click to expand...
A lot of people rode their bikes to Breganze. But you didn't need a lightweight version to achieve that.
 
sounds very light to me to be honest, but definitly higher than 170kgs, which was my asumption, too. Makes you wonder why a standard RGS is 60 kgs heavier...
 
Interesting reading the views on TTF1 weights. My red TTF1 comes in at ~170kg when it was setup for racing. A quick summary of the pictured bike. Everything red is fibreglass, everything gold is magnesium, everything silver is aluminium. The frame is CrMoly and shortened and swingarm is unique to TTF1 but aluminium. In race setup it was positive discharge so no starter motor or stator and flywheel was lightened significantly as is the crank, rods and pistons. It runs a 525 chain & sprockets and the exhaust is a 3:1 + tiny thin walled megaphone. The only things which are heavy are in the motor but having lifted a standard SFC1000 and a TTF1 motor there is a very noticeable difference. In summary anything they could reduce they have down to the tradition rubber grips being foam, the axles have been centre drilled, side cases reduced etc. A lot of small changes which add up.
 

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Exactly, really poor form—unfortunately, Niels doesn't speak nicely, plus he got all his ideas from me, but he's the one with the problem.
 
Hello again on this fine forum. I am very sorry that it´s been almost two years since my last update on the Superleggera. Some health problems and other projects, is the reason for the delayed completion of the bike. It´s only a few weeks ago, that I finally was able to reacquaint myself with the build.
I have installed the Andreani fork cartridges (for a 1995 BMW K 1100 RS), and that was certainly not plug and play.
The Marzocchi inner tubes vere very asymmetric, and not even the same lenght.
IMG_7964.jpeg
Therefore, some quite substantiel modifications were required. There was a weight saving of 700g, and the distance
from axle to top bridge ended up, being 20 mm shorter than the original. I see this as an advantage, but the sidestand
now has the bike a little to vertical for my liking.IMG_8059.jpeg

The tree axles along with their nuts, are in titanium, giving a weight reduction of 1001g for the tree of them.


I have installed the “revolution counter” for the Motogadget speedometer on the rear wheel. The pickup has to pass the magnet within 4mm.
IMG_8022.jpeg

I installed the Moto Witt DMC/32 ignition module, following the drawings and instructions for it.

The Dynatec Miniature series coils (3 Ohm), are also in place
IMG_8055.jpeg

And yesterday came came the big moment, where I could finally attemt to start it. The small battery gave an impressively fast starter speed,
and then nothing….. checking spark- no spark.
This is as far as I have come with the bike. I am aware that it will be based on very little information, but any suggestions are most welcome.
 
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First of all sorry to hear of your health problems! hope you are much better!!

Puh - that could be anything from a earth connection not working properly over a crimping failure on the power supplied to the DMC or in any of the connections up to a dead DMC (which is rare, but happens) or even two connections mixed up. The only way is to check each connection and follow the wires to see where is current and where not and then which ground connection is good or not.
 
Great looking set up you’ve got there. First port of call check the battery after that I can’t help😢. Love the clip ons, who makes those?
Tom
 
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