{"product_id":"bmw-r80-zylinderkopf-tuning-stage-2-inkl-teilepaket","title":"Preparazione testata cilindri BMW R80 Stage 2 incl. pacchetto componenti","description":"\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eLe testate vengono pulite, sabbiate con microsfere di vetro e controllate. Le vecchie guide valvole vengono estratte, le sedi vengono rialesate e le nuove guide valvole maggiorate vengono inserite a interferenza utilizzando azoto liquido. \u003cbr\/\u003e\r\n\tI vecchi anelli sede valvola vengono rimossi, le sedi vengono fresate e i nuovi anelli sede valvola, adatti per benzina senza piombo, vengono inseriti a interferenza utilizzando azoto liquido. \u003cbr\/\u003e\r\n\tSuccessivamente, gli anelli sede valvola vengono completamente rifresati sulla nostra macchina per la lavorazione delle sedi valvola Serdi. La tenuta delle valvole viene verificata tramite un vacuometro. \u003cbr\/\u003e\r\n\tInfine, la superficie di contatto della testata viene rettificata al 100% sulla nostra rettificatrice orizzontale. In alcuni casi, anche la superficie di tenuta del coperchio valvole dovrebbe essere rettificata.\u003cbr\/\u003e\r\n\tLa banda di squish nella testata ha un impatto decisivo sulla qualità della combustione. Se è troppo ampia o non è esattamente parallela al cielo del pistone, ciò comporta una turbolenza insufficiente della miscela aria-carburante. Il risultato è uno sfruttamento inadeguato del carburante, con conseguente aumento del consumo di benzina e prestazioni inferiori. Regoliamo la banda di squish con precisione in termini di dimensioni e angolazione.\u003cbr\/\u003e\r\n\tIl volume della camera di combustione nella testata ha un'influenza determinante sulla regolarità di funzionamento del motore. Soprattutto nei motori monocilindrici e bicilindrici, è necessario prestare particolare attenzione a questo aspetto. Il bilanciamento delle masse più accurato non serve a nulla se i volumi della camera di combustione sono differenti.  Ciò porta infine a pressioni medie disuguali e, di conseguenza, a una riduzione di potenza e coppia. Possiamo porre rimedio a questo problema. \u003cbr\/\u003e\n\u003cbr\/\u003e\r\n\tInfine, le testate vengono assemblate e rese pronte per il montaggio con nuove valvole, nuove molle valvola e nuovi semiconi.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\/\u003e\r\n\t \r\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eSmontaggio, pulizia e controllo delle testate\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eSabbiatura delle testate con microsfere di vetro\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eRimozione di guide valvole e anelli sede valvola\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eRealizzazione delle sedi per valvole e guide\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eSostituzione\/inserimento a interferenza di guide valvole (a flusso ottimizzato)  \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eSostituzione\/inserimento a interferenza di anelli sede valvola\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eAlesatura delle guide valvole alla misura finale\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eLavorazione degli anelli sede valvola per ottimizzare il flusso\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eLavorazione delle guide valvole per ottimizzare il flusso\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eLavorazione del condotto di aspirazione per ottimizzare il flusso\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eLavorazione del condotto di scarico per ottimizzare il flusso\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eFresatura delle sedi valvola su SERDI 100\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eControllo della tenuta delle valvole tramite vuoto\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eDeterminazione della banda di squish in base alla forma del pistone\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eLavorazione della banda di squish nella camera di combustione su fresatrice\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eMisurazione del volume della camera di combustione tramite buretta\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eEquiparazione dei volumi della camera di combustione\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eRettifica delle testate\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eMontaggio di valvole, piattelli e molle valvola \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eIl prezzo si intende per una coppia di testate\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eper tutti i modelli BMW R80 a due valvole\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003ePacchetto componenti incluso nel prezzo\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\r\n\t \r\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003eElenco componenti (incluso nel prezzo):\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003e4 anelli sede valvola\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003e4 guide valvole da 7mm incl. paraoli stelo valvola, a flusso ottimizzato\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003e2 valvole speciali di aspirazione da 45mm, stelo 7mm \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003e2 valvole speciali di scarico da 39mm, stelo 7mm \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003e8 semiconi valvola\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan data-mce-style=\"font-size: 12px;\" style=\"font-size: 12px;\"\u003e\u003cspan data-mce-style=\"font-family: verdana,geneva,sans-serif;\" style=\"font-family: verdana,geneva,sans-serif;\"\u003e4 molle valvola Racing\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\r\n\t \r\n\u003c\/div\u003e","brand":"Sport Evolution","offers":[{"title":"Default Title","offer_id":56805935481212,"sku":"SE-20-80105-01-003","price":1985.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/2390\/1820\/files\/bmw-boxer-zylinderkopf-tuning_11083.jpg?v=1781349445","url":"https:\/\/sport-evolution.de\/it\/products\/bmw-r80-tuning-testata-stage-2-incl-pacchetto-parti","provider":"Sport Evolution","version":"1.0","type":"link"}