{"id":13026,"date":"2025-07-21T16:50:26","date_gmt":"2025-07-21T15:50:26","guid":{"rendered":"https:\/\/scootertime.ch\/?p=13026"},"modified":"2025-07-21T16:50:44","modified_gmt":"2025-07-21T15:50:44","slug":"groupe-thermique-polini-70-evolution","status":"publish","type":"post","link":"https:\/\/scootertime.ch\/fr\/groupe-thermique-polini-70-evolution\/","title":{"rendered":"GROUPE THERMIQUE POLINI 70 EVOLUTION"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">LE KIT LE PLUS \u00c9VOLU\u00c9 POUR MBK BOOSTER, YAMAHA MINARELLI VERTICAL &#8211;<\/h2>\n\n\n\n<p>Polini pr\u00e9sente le tout nouveau groupe thermique Polini 70 Evolution, con\u00e7u pour les moteurs verticaux Minarelli et pens\u00e9 pour \u00e9lever la barre des performances. Le cylindre 70cc en fonte a \u00e9t\u00e9 compl\u00e8tement redessin\u00e9 avec des solutions techniques exclusives, jamais vues auparavant sur ce type de moteurs.<br>Technologie avanc\u00e9e : la vraie r\u00e9volution &#8211; Le c\u0153ur du kit est un ensemble de composants d\u00e9velopp\u00e9s pour maximiser le rendement et l\u2019efficacit\u00e9 de la m\u00e9canique des fluides. Voici ce qui le rend unique : Si\u00e8ge major\u00e9 de la boite \u00e0 clapets int\u00e9gr\u00e9 dans le cylindre, avec deux conduits d\u00e9di\u00e9s qui alimentent directement les transferts : une solution exclusive qui am\u00e9liore le couple et la r\u00e9ponse aux bas r\u00e9gimes. Boite \u00e0 clapets \u00e0 4 lamelles (par rapport aux 2 traditionnels), inclus dans le kit, pour augmenter et acc\u00e9l\u00e9rer le passage du flux air \/essence. Guide flux d\u00e9di\u00e9, con\u00e7u pour canaliser au mieux le flux entre collecteur et boite \u00e0 clapets, en r\u00e9duisant les turbulences et les pertes de charge. Collecteur d\u2019aspiration rotatif \u00e0 360\u00b0, compatible avec carburateurs Polini CP de 17 \u00e0 24 mm., pour une f lexibilit\u00e9 totale en phase de montage. Ce syst\u00e8me permet le montage d\u2019un filtre \u00e0 la fois d\u2019origine ou ouvert. Culasse racing avec joint en cuivre, piston \u00e0 double segment, joints d\u2019embase de 0,2 et 0,3 mm pour personnaliser le squish.<\/p>\n\n\n\n<p>Deux versions disponibles :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00e9f\u00e9rence : 166.0074\/E avec axe de piston 10<\/li>\n\n\n\n<li>R\u00e9f\u00e9rence : 166.0074\/12E avec axe de piston 12<\/li>\n<\/ul>\n\n\n\n<p>Performances r\u00e9elles : Avec une configuration de base, le groupe thermique Polini 70 Evolution atteint environ 14 CV r\u00e9els, avec une courbe de couple puissante et pleine sur toute l\u2019arc de distribution : un net saut en avant par rapport aux classiques 70cc en fonte.<br>Pour exploiter tout le potentiel, Polini pr\u00e9conise : Carburateur CP de 19 \u00e0 24 mm. Pot d\u2019\u00e9chappement Polini For Race ou Scooter Team. Transmission High-Speed.<\/p>\n\n\n\n\n\n<p>Groupe thermique Polini 70 Evolution R\u00e9f\u00e9rence produit : 166.0074\/E et 166.0074\/12E Prix au public : Euro 244,00 (hors TVA) 100% Made in Italy<\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>LE KIT LE PLUS \u00c9VOLU\u00c9 POUR MBK BOOSTER, YAMAHA MINARELLI VERTICAL &#8211;\u2026<\/p>\n","protected":false},"author":1,"featured_media":13019,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,26],"tags":[],"class_list":["post-13026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-habillement-accessoires","category-news-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>GROUPE THERMIQUE POLINI 70 EVOLUTION - Scootertime<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/scootertime.ch\/fr\/groupe-thermique-polini-70-evolution\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GROUPE THERMIQUE POLINI 70 EVOLUTION - Scootertime\" \/>\n<meta property=\"og:description\" content=\"LE KIT LE PLUS \u00c9VOLU\u00c9 POUR MBK BOOSTER, YAMAHA MINARELLI VERTICAL &#8211;\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/scootertime.ch\/fr\/groupe-thermique-polini-70-evolution\/\" \/>\n<meta property=\"og:site_name\" content=\"Scootertime\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-21T15:50:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-21T15:50:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/scootertime.ch\/wp-content\/uploads\/2025\/07\/0b7b2a63-f9b1-e923-703d-a2d62c7a5cfd.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"855\" \/>\n\t<meta property=\"og:image:height\" content=\"570\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Red. 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