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MotoMartin spine frame GsxR1127cc engine


yann7/11r

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Posted
On 1/30/2016 at 7:19 PM, yann7/11r said:

Consecration...?
First meeting with the bike. Made a sensational reaction with the people present.

BUT...doesn't satisfy me in term of aestetic...and comportment.
Too hight on the front/ too low on the rear. Of course doesn't turn correctly.
Sourced a original MotoMartin fairing who's so BIG...
Rear suspension is too hard. Shame because they where custom made...

4 years work...nothing good... 

06-Poutre 1127cc CafRacDays DSC_1199.jpg

The fairing gives it the Mad Max look a bit like the MFP police bike in film. Very cool.

If rear shocks are custom made can you not get them re-sprung or re-valved to suit what you want ?

Posted (edited)
3 minutes ago, GS1000 78 said:

The fairing gives it the Mad Max look a bit like the MFP police bike in film. Very cool.

If rear shocks are custom made can you not get them re-sprung or re-valved to suit what you want ?

I should always check date of post....... :)

I see you have sorted the bike quite nicely now. A Summer of fun and hard riding for you.

Edited by GS1000 78
Posted
11 hours ago, Physician said:

What size tubing does it used ? 

Hi !

Take a look on previous post.

At page 4 you have the Egli drawing that inspired the  MotoMartin brand birth. Lot of infos on this. :)

Posted
4 hours ago, GS1000 78 said:

I should always check date of post....... :)

I see you have sorted the bike quite nicely now. A Summer of fun and hard riding for you.

Long time improvments on this one.;)

Unfortunatly . No time for doing track days...Maybe in the future .(y)

Posted
7 minutes ago, yann7/11r said:

Hi !

Take a look on previous post.

At page 4 you have the Egli drawing that inspired the  MotoMartin brand birth. Lot of infos on this. :)

I missed it! 100mm back bone. I wonder how thick the tubes are.. probably quit thin like .75mm

 

How much does your complete bike weight?

I happen to have a spare 1127... and lot of parts...

Posted

Considering the manufacture date from the frame (1977) you can imagine that tubes tickness are...not particularly thin. My memory says 2mm . We can do much better today with another material quality.

The bike weight is approx 175kgs.(without fuel)

No Mag wheels, no Titanium exhaust.

With alternator, starter, battery.

And engine full of Oil.;)

 

Posted
On 6/9/2022 at 4:18 PM, Physician said:

Impressive. That is sv650 weight!

That is a tempting project

Yes.(y)

Just do it !;)

For infos, the spine is not a tube but a welded rolled sheet to give Ø100mm.

  • Like 1
  • 2 weeks later...
  • 11 months later...
Posted

Some news after a 4 years break . Bike doesn't evolved too much, except front and rear brakes and exhaust. In short enought to be bored during a trackdays. 

But everything went well.

Pics was during last SundayRideClassic @circuitpaulricard in southern France. 

  • Like 6
  • 2 weeks later...
Posted

@DAZThank you for your comment. (y)

Of course, there are always 2-3 things to improve. In particular, ground clearance that limits me a lot.

With 17" wheels, it's too low. I'm going to try with a 60 height rear tyre (currently 55) and correct trim by sliding  fork tubes. 

Remove fairing under engine is another possibility. It's not essential to ride (where i ride)  

Mikuni RS are already installed too.

  • 3 weeks later...
Posted
On 6/18/2023 at 6:56 PM, yann7/11r said:

Pics...cause i know, you guys, love them.9_9

Front caliper are changed for Tokico 4 pots. 600grs less than Brembo's.

20230618_173246.jpg

20230618_173532.jpg

600g you say that's interesting.

Posted
48 minutes ago, clivegto said:

600g you say that's interesting.

Yes.;)

I was surprised . Those calipers are tiny and built as light parts. Mounting screws on fork are M8. (Instead well know M10)

600grs less for the pair and my Brembo calipers were equiped with Titanium screws...

  • Like 1

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