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»  [MotoGP] Infos , nouveautés , potins , tests et plus pour la saison GP 2025 ...
aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeAujourd'hui à 9:35 par EDOUARD Jean

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» Moteur 6 Temps.
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» [oldies] Honda 125 CB93 1963-1966 /racing kit.
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» Bourg-en-Bresse 1969
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» Honda V3 en préparation
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» [Oldies] Angel Nieto Mike Hailwood (part 7)
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» [Oldies] Ils ont p'loté la belle à culbuter de Varese (3ème partie)
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» Micou.
aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeSam 16 Nov 2024 - 17:09 par Joel Enndewell 2424

Mots-clés
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Marc
aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Voting16aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Voting13aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Voting15 
EDOUARD Jean
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philwood
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Pierre"PhilRead"
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mickey
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yves kerlo
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bubu
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Fügner
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Dan42
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 [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)

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AuteurMessage
Adco

Adco


Nombre de messages : 6510
Localisation : Limoges
Date d'inscription : 19/02/2016

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MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 9:05

Chapeau !
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Dan42




Nombre de messages : 8943
Localisation : Margerie-Chantagret 42
Date d'inscription : 06/04/2014

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MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 9:08

Il me semble qu'il existe des moteurs 2T avec soupape d'échappement: Diesel marine et autres gros calibres, mais avec des régimes incomparablement plus lents, il existe des moteurs 4T qui atteignent 20000 rpm donc ils tricottent leurs soupapes vers 10000 impulsions /mn, c'est chaud pour la distri. si PB d'affolement il est peut être envisageable d'avoir 2 paires de soupapes qui fonctionnent alternativement tous les 2 tours moteur. Belles recherches en tous cas même si pas entièrement couronnées de succès. aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 771973
Dan
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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 11:03

Oui un arbres a cames avec des soupapes et ressorts sont pénalisant pour différentes raisons, et notamment le régime maximum admissible, j'ai travaillé de 2500tr/min à 8500tr/min!

Le moteur a développé un couple maximal de 33N/m sortie boite de vitesse(je ne me souvient plus du régime et je n'est pas les relevés sous la main), tandis que le moteur honda 250 cr 2002 développe 40.7N/m de couple maximal sorite boite de vitesse a 8000tr/min!
Je ne me suis pas approché du couple maximal du moteur honda aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 584741 .
Le moteur a par contre développé 30N/m sortie boite de vitesse a 2500tr/min aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 771973 , ça je m'en souviens.

Une vue du côté distribution!
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Un moteur deux temps a soupapes autre que le mien pour Dan42.
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J'ai voulu insérer une vidéo du moteur mais je n'ai pas réussi, est-ce possible?
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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

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MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 14:36

Vidéo courte, histoire d'entendre le son du moteur!

[Vous devez être inscrit et connecté pour voir ce lien]


Dernière édition par vorlis le Ven 12 Jan 2024 - 18:14, édité 1 fois
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carlovitch1




Nombre de messages : 1109
Age : 58
Localisation : Pays Catalan
Date d'inscription : 20/05/2018

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 17:42

Ta vidéo semble avoir été supprimée, pourrais-tu la remettre en ligne ?
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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 18:15

J'ai changé le lien cela doit fonctionner maintenant!
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carlovitch1




Nombre de messages : 1109
Age : 58
Localisation : Pays Catalan
Date d'inscription : 20/05/2018

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 19:06

Oui, en effet, merci ! Il craque pas mal tout de même.
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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 19:39

Pas mal le son, je suis d'accord!
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vorlis




Nombre de messages : 58
Age : 40
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Date d'inscription : 24/06/2015

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeVen 12 Jan 2024 - 19:45

Une autre vidéo du moteur, cette fois ci en charge!
Ce n'est pas une vidéo promotionnel, c'est un ami qui passait par là quand je faisait des essais qui a filmé, je n'ai jamais filmé mon travail.
Du coup la qualité n'est pas au top.

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Ed

Ed


Nombre de messages : 2560
Age : 61
Localisation : CHALETTE
Date d'inscription : 06/10/2010

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
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C'est intéressant ces recherches. J'ai toujours adoré les moteurs qui sortent de l'ordinaire.
Du coup j'ai fouillé le web à propos des moteurs 2 temps avec des soupapes.
Je connaissais un peu les Diesel marins mais je suis aussi tombé sur d'autres trucs, comme un moteur Mazda.

Il faudrait sans doute qu'on fasse un sujet spécifique pour ces moulins spéciaux plutôt que de rester ici.
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http://technomoto.blogspot.com/
vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

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MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeSam 13 Jan 2024 - 9:40

Je ne connaissais pas ce moteur mazda!
Oui on peut ouvrir un sujet.

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vorlis




Nombre de messages : 58
Age : 40
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Date d'inscription : 24/06/2015

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MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeSam 13 Jan 2024 - 9:51

Pour ouvrir un sujet je pense que je peut me débrouiller, par contre pour déplacer cette discussion sur mon moteur vers un nouveau sujet j'ai besoin d'aide, quelqu'un peur m'indiquer la marche a suivre?
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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeSam 13 Jan 2024 - 9:59

En attendant de déplacer la discussion, une photo d'un arbre à cames qui ouvre quatre soupapes simultanément!
Bon rien d'extraordinaire, c'est juste les cames qui sont déphasées, il ne doit pas y en avoir beaucoup sur la planète quand même.

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Adco

Adco


Nombre de messages : 6510
Localisation : Limoges
Date d'inscription : 19/02/2016

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeSam 13 Jan 2024 - 12:12

Tu dis que tu as travaillé jusqu’à 8500 trs/mn avec un arbre à cames tournant à la vitesse du vilebrequin, donc tes soupapes travaillaient comme si le moteur quatre temps d’origine avait pris 17000trs/mn.
Puis qu’apparemment tu n’as pas accroché tes soupapes ni percuté le piston, avais-tu adouci le diagramme de distribution par rapport à l’origine ou carrément dessiné autre chose ?
Vu l’allure de l’arbre à cames, est ce que tu ouvres vraiment les quatre soupapes ensemble, ce qui doit limiter la levée ou avec un certain décalage ?
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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
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C'est ça, cela correspond a 17000tr/min pour la culasse du crf 150!
Les soupapes ouvrent quand le piston est a mi course a peut près, et ferment environ  60 degrés après le point mort bas, du coup aucun risque d'une rencontre piston/soupape.
Pour ce qui est des soupapes entre elles , il restait un peut de place au moment de la levée maximal entre les soupapes "admission" et "échappement"(qui étaient toutes devenue des soupapes d'échappement), quelques millimètres.
Les quatre soupapes étaient parfaitement synchronisé.
Sur la photo de l'arbre a cames, les cames ne sont pas aligné ce qui est normal, il y deux cames a attaque direct et deux cames a basculeur/rouleau!

Je ne crois pas qu'il y ai u de phénomène d'affolement de soupapes.

Oui, le profil de came était nouveau, de mémoire il y avait un peut plus de levée que sur l'arbre a came standard honda!
J'avais allégé le plus possible les pièces mises en mouvement par les cames, coupelles titane, soupapes titane, demi lune titane!
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Adco

Adco


Nombre de messages : 6510
Localisation : Limoges
Date d'inscription : 19/02/2016

aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Empty
MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 Icon_minitimeSam 13 Jan 2024 - 13:09

Ok, au vu de tes cames, la levée paraissait assez importante et donc avec une chambre moderne assez plate, on peut tout lever en même temps sans accrocher. Je vois que tu avais mis toutes les chances de ton côté pour cette énorme augmentation de régime. Tu avais gardé les ressorts d’origine ?
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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

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Ressorts origine oui, il faudrait que je vérifie je ne me souvient plus si tout les ressorts étaient callé ou juste deux, pour pré comprimer le ressort!
J'avais calculé l'accélération de la soupape(masse en mouvement) en fonction du profil de came, et connaissant la raideur de mon ressort j'avais pu estimer si la soupape décollerait de la came.
Le fait est que je n'est pas u de problème de ce côté la!
J'ai un tableau excell si cela t'intéresse!

La 150 crf d'origine doit bien prendre 14000tr/min!


Dernière édition par vorlis le Dim 14 Jan 2024 - 14:28, édité 1 fois
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Adco

Adco


Nombre de messages : 6510
Localisation : Limoges
Date d'inscription : 19/02/2016

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Merci pour les renseignements, j’avais fait un raccourci un peu rapide : passer de 14 à 17000 est important mais l’idée( fausse!) que tu avais osé doubler le régime de rotation me semblait incroyable.
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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

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Je comprend que tu ais trouvé ça incroyable!! aprilia - [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5) - Page 19 998726
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Frits Overmars

Frits Overmars


Nombre de messages : 2639
Age : 76
Localisation : Raalte, Holland
Date d'inscription : 12/10/2010

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Jan Thiel was urgently admitted to hospital two weeks ago. Three stents have been placed in his heart. He is now back home but it cost him a lot of money; Healthcare in Thailand cannot be compared to what we know here. That is why a campaign has been started to support him financially.

Jan Thiel a été hospitalisé d'urgence il y a deux semaines. Trois stents ont été placés dans son cœur. Il est maintenant de retour chez lui mais cela lui a coûté beaucoup d'argent ; Les soins de santé en Thaïlande ne peuvent pas être comparés à ce que nous connaissons ici. C'est pourquoi une campagne a été lancée pour le soutenir financièrement.

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vorlis




Nombre de messages : 58
Age : 40
Localisation : cier de luchon
Date d'inscription : 24/06/2015

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Bon rétablissement JAN!!
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carlovitch1




Nombre de messages : 1109
Age : 58
Localisation : Pays Catalan
Date d'inscription : 20/05/2018

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Get well soon Jan, we are with you !
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Frits Overmars

Frits Overmars


Nombre de messages : 2639
Age : 76
Localisation : Raalte, Holland
Date d'inscription : 12/10/2010

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carlovitch1




Nombre de messages : 1109
Age : 58
Localisation : Pays Catalan
Date d'inscription : 20/05/2018

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Happy birthday Jan !
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MINGRET01

MINGRET01


Nombre de messages : 27
Localisation : lyon
Date d'inscription : 19/11/2011

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Hello Frits, Do you have articles in good writing for translation to MOTO 73 where did you spoke to exhaust pipe. They had five articles if I'm remenber . Thank you
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