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DB3 Mantra top yoke

 
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Ducatiman



Joined: 30 Jun 2013
Posts: 2

PostPosted: Mon Jul 01, 2013 12:12 am    Post subject: DB3 Mantra top yoke Reply with quote

I recently bought a low mileage DB3 Mantra (>1000k) but have found that the top yoke is cracked, probably through over tightening and there is no chance of it passing an MOT.

Emails to the Bimota factory remain unanswered and Ducati Preston have not come up with anything, does anyone know where I can get my hands on a replacement?
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crankcase



Joined: 09 Nov 2011
Posts: 387
Location: Frankfurt Germany

PostPosted: Mon Jul 01, 2013 7:23 am    Post subject: Reply with quote

hi
DRT have one

http://bimota-teile.de/Bimota/index.html

click 'Ersatzteile' on the left navi

then choose your model

part number 37

503 361 011 Gabelbrücke oben 43mm siehe YB9SR/SRI 259,00 €

same as YB9 and BB1 apparantley

they speak English, so I could write and ask for a pic first.
And sometimes they are not so quick.

good luck
Ian
_________________
Bimota DB2 tricolore, Bimota YB4e.i, Ducati 851 tricolore, Ducati Hailwood Replica, 1968 Gitan Grillo sport, Yamaha GTS1000, Honda Deauville, Honda GB500 Clubman
http://thecrankcase.com
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Ducatiman



Joined: 30 Jun 2013
Posts: 2

PostPosted: Mon Jul 01, 2013 10:01 am    Post subject: Reply with quote

Hello Ian,

Thanks for the quick response. Tried phoning but got an answer machine so I have emailed DRT so will wait and see what they come back with.

Regards

John
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JeremyB



Joined: 10 Dec 2010
Posts: 18
Location: Florida, USA

PostPosted: Thu Jul 18, 2013 4:09 pm    Post subject: Watch the Torque on the pinch bolt ! Reply with quote

Easy to crack this yoke, I think.
When I was a 'Proud Mantra Owner' my bike came with a previously-cracked spare top yoke....
I had it welded by a pro race-bike fabricator. I let it go when I sold the bike, but if you get *really* stuck for one, I might be able to track it down for you.

I went thru my DB4 shop manual, but there's nothing about specific Chassis Torque settings. It has only some general settings (10mm head = 6Nm, 12mm head = 15Nm etc).
Thats probably not accurate enough for an Unobtanium part....
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2000 DB4 tricolor (or is that tricolour ??)
ex-Mantra owner, and proud of it !!
2008 Moto Guzzi Griso 1100. Weighs as much as 3 Bimotas, but is somehow still fun...
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