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Stripped Down Tdm


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#1 ortogo

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Posted 14 October 2020 - 07:46 pm

Back in the 70s when British bikes were cheap and readily available a couple of mates and I would buy something like a tiger 100 or 110 strip off as much weight as possible and turn it into what we called a rat bike, what nowadays would be called as street fighter?
I've seen several tdm 850s that have been "streetfightered" (probably crashed damaged and uneconomic to repair), but I,ve been wondering how much weight you could sensibly remove from an 850 tdm? Has anybody tried this?

#2 catsbum

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Posted 14 October 2020 - 07:50 pm

Start with the rider. No seriously 



#3 dablik

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Posted 14 October 2020 - 07:50 pm

Biggest weight reduction is the oem exhaust, they are bloody heavy, seen the back of the frame chopped also but dont think that would remove much weight, cant really see where you could reduce a significant amount really.


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead

 

1991 MK1 in need of some TLC watch this space  :) Sorted and on the Road Mick :P :P it's the bike that Jack built ;)


#4 Studley Ramrod

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Posted 14 October 2020 - 08:23 pm

Madad stripped his mk1 down. :D 
 
gallery_11736_161_49340.jpg

I can't remember how much weight he'd saved and it wasn't road legal.   But yeah, the words 'sensibly remove' make it a challenge. I'd prolly take the advice of the previous 2 members posts if I was thinking of shedding some weight.  :)  Not sure the effort would be worth the gains though as I like cake. :lol:


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#5 dablik

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Posted 14 October 2020 - 10:19 pm

I wonder how he fed the fuel through to the carbs ? gravity or a leccy pump.


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead

 

1991 MK1 in need of some TLC watch this space  :) Sorted and on the Road Mick :P :P it's the bike that Jack built ;)


#6 fixitsan

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Posted 14 October 2020 - 11:34 pm

It's like the old joke of the car driver is a bit lost so he stops and asks a local for the best way to get to his destination, and the response 'if I was you I wouldn't start from here' !

 

Of course you can reduce the weight of anything. You can't lose any from the engine, and i think most of the frame is required...and the plastics don't weigh that much and do help to get a higher top speed sometimes. The exhaust, battery (change to lithium)....I can't think of much else really.

 

The proposal is to improve the power to weight ratio, improving power might be a better way to go, improved carburetion, better exhaust, better cams.....advanced ignition timing and fuel additives ?


Edited by fixitsan, 14 October 2020 - 11:37 pm.

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#7 MickC

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Posted 15 October 2020 - 09:13 am

If your a bit on the large side go on a diet save wrecking the bike saves on food/beer money and youll feel better.All the weight lost will be high up so more of a benefit.

 

Not saying your big Ortogo.



#8 bowie

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Posted 17 October 2020 - 11:18 am

HAH That TDM above striped down looks great. 

 

Well at least there is always a plan B should I prang it.

 

It's kinda giving me a GS500 feel about it.   What a fun looking nugget.

 

Ortogo, do it!



#9 ortogo

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Posted 17 October 2020 - 07:44 pm

Thanks for posting the pic of the stripped down tdm above Studley, got to agree with Bowie it looks great, pretty much what I had in mind, wouldn't take a lot to turn it into a great looking street legal flat tracker. Small tank and tracker seat, number plate board with small recessed led headlight, ditch the front mudguard, as always its the plug ugly radiator that's hard to make look tidy but it could be done. I have been working on losing a bit of weight myself, it make come as heresy but by cutting out cake I,ve managed to lose a stone and a half!, as a keen home brewer there's not much of cutting out beer though

#10 jiff

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Posted 17 October 2020 - 07:57 pm

I wonder how he fed the fuel through to the carbs ? gravity or a leccy pump.

 

........explain please!........what, of significance, has gone missing, that hasn’t registered with me?



#11 dablik

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Posted 17 October 2020 - 09:57 pm

The fuel tank jiff, it's not where it should be, put ya glasses on  :)


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead

 

1991 MK1 in need of some TLC watch this space  :) Sorted and on the Road Mick :P :P it's the bike that Jack built ;)


#12 Studley Ramrod

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Posted 17 October 2020 - 10:09 pm

Stopped eating cake ? Must be a first on here. :lol:

 

Ok, according to Madad "The bike weighs in at 175kg with fuel oil and water"  I dunno how much you'd save keeping it road legal though.

 

It's all here   http://www.carpe-tdm...topic=17174&hl=


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#13 dapleb

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Posted 18 October 2020 - 07:14 am

And a blurry vid here:
https://youtu.be/YPuiIqaEFiU

Watched him hill climb at fartland point too.
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#14 drewpy

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Posted 18 October 2020 - 03:24 pm

And a blurry vid here:
https://youtu.be/YPuiIqaEFiU

Watched him hill climb at fartland point too.

god i used to live near RAF chivenor. even flown RC planes from there


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#15 bowie

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Posted 19 October 2020 - 12:20 am

What a cool looking event.


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