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Author Topic: Jack sport mistery bike  (Read 7096 times)

Offline devidoldmoto

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Jack sport mistery bike
« on: November 05, 2007, 07:26:37 AM »
Hello

Please, does some man of old motorcycles know this motorcycle and can give me information?

Very thanks: Davide
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Offline devidoldmoto

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Re: Jack sport mistery bike
« Reply #1 on: November 05, 2007, 07:33:33 AM »
More pics
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Offline Oldgit

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Re: Jack sport mistery bike
« Reply #2 on: November 07, 2007, 01:30:19 AM »
Jack Sport motorcycles were built in France using 350 and 500cc JAP engines between 1927 and 1931, sorry I don't know much more. Lovely rare bike, you've got some research to do there!  :)
« Last Edit: November 07, 2007, 01:32:37 AM by Oldgit »
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Offline devidoldmoto

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Re: Jack sport mistery bike
« Reply #3 on: November 07, 2007, 06:40:19 PM »
thanks for this information, this motorcycle climbs on an engine Blackbourne, but I don't succeed in finding any information, thanks for this additional information to depart in the search...
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Offline Rick_Parkington

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Re: Jack sport mistery bike
« Reply #4 on: November 23, 2007, 08:20:57 AM »
Hi Davide, the bottom end looks Blackburne but not the rest. Do you have an engine number?
Rick
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Offline Moy46

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Re: Jack sport mistery bike
« Reply #5 on: June 09, 2011, 09:01:36 PM »
Hi,

I'm french and new on the forum, sorry for my bad english.

My father have an Jack sport, with the same engine, an LMP 350OHV

I could ask my father fotos if you are interested.

I'm new, because a recently buy an french motorcycle with blacburne engine 500 ohv and I search all informations about this engines (see my other post)
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yebbut

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Re: Jack sport mistery bike
« Reply #6 on: June 09, 2011, 09:25:07 PM »
Il y a peu des infos sur moteurs Blackburne, je pense peut etre dans  le club Vintage Motorcycle club [VMCC] il y aura un expert sur Blackburne, certainement.
Bon chance.

http://www.vmcc.net/

pour sūr qu'ils vont demander de l'argent
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