{"id":28342,"date":"2024-05-31T14:26:24","date_gmt":"2024-05-31T12:26:24","guid":{"rendered":"http:\/\/vmx-service.eu\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/"},"modified":"2024-09-21T19:45:32","modified_gmt":"2024-09-21T17:45:32","slug":"yz50-1980-yz60-1981-82-yz80-1978-1990","status":"publish","type":"product","link":"https:\/\/www.vmx-service.eu\/de\/produkt\/yz50-1980-yz60-1981-82-yz80-1978-1990\/","title":{"rendered":"YZ50 1980,  YZ60 1981-82,  YZ80 1978-1990"},"content":{"rendered":"<p>Nummer M393, Engelse taal.<br \/>\nUitvoerige beschrijvingen voor onderhoud of reparaties. Omvat de volgende modellen:<br \/>\n\u00a0YZ50 (1980),\u00a0 YZ60 (1981-1982),\u00a0 YZ80 (1978-1990)<br \/>\nQUICK REFERENCE DATA  CHAPTER ONE \/ GENERAL INFORMATION CHAPTER TWO \/ TROUBLESHOOTING Two-stroke pressure testingCHAPTER THREE \/ LUBRICATION, MAINTENANCE AND TUNE-UP Pre-checks \/ Tires and wheels \/ Lubricants \/ Cleaning solvent \/ Engine lubrication \/ Periodic lubrication \/ Periodic maintenance \/ Engine tune-up \/ StorageCHAPTER FOUR \/ ENGINE TOP END Engine principles \/ Engine lubrication \/ Engine cooling \/ Cleanliness \/ Servicing engine in frame \/ Cylinder head \/ Cylinder \/ Piston, wrist pin and piston rings \/ Break-in procedure \/ Reed valve assemblyCHAPTER FIVE \/ ENGINE LOWER END Servicing engine in frame \/ Engine removal installation \/ Crankcase and crankshaftCHAPTER SIX \/ CLUTCH, EXTERNAL SHIFT MECHANISM AND KICKSTARTER Clutch cover \/ Clutch \/ Primary drive pinion gear \/ Clutch cable \/ Clutch release mechanism \/ External shift mechanism \/ Kickstarter (1978-1980) \/ Kickstarter (1981-on) CHAPTER SEVEN \/ TRANSMISSION AND INTERNAL SHIFT MECHANISM Transmission operation \/ Transmission overhaul (5-speed) \/ Transmission overhaul (1979-1980 6-speed) \/ Transmission overhaul (1981-on 6-speed) \/ Internal shift mechanism (1978-1980) \/ Internal shift mechanism (1981-on) CHAPTER EIGHT \/ FUEL AND EXHAUST SYSTEMS Carburetor operation \/ Carburetor service (1978-1982) \/ Carburetor adjustments \/ Fuel shutoff valve \/ Fuel tank \/ Fuel filter \/ Yamaha energy induction system (YEIS) \/ Exhaust system \/ Exhaust system repairCHAPTER NINE \/ IGNITION SYSTEM Contact breaker point ignition (YZ50) \/ Capacitor discharge ignition \/ Magneto (outer rotor type) \/ Magneto (inner rotor type) \/ Stator coil testing (all models) \/ Capacitor discharge ignition unit \/ Ignition coil \/ Spark plug \/ Engine kill switchCHAPTER TEN \/ LIQUID COOLING SYSTEM Cooling system inspection \/ Radiator \/ Water pumpCHAPTER ELEVEN \/ FRONT SUSPENSION AND STEERING Front wheel \/ Front hub \/ Wheels \/ Tire changing \/ Tire repairs \/ Handlebar \/ Steering head and stem (1978-1981 and 1983) \/ Steering head and stem (1982 YZ80) \/ Steering head and stem (1984-on) \/ Front fork (YZ50, YZ60 and 1978-1982 YZ80) \/ Front fork (1983-on) CHAPTER TWELVE \/ REAR SUSPENSION Rear wheel \/ Rear hub \/ Driven sprocket \/ Drive chain \/ Rear suspension (deCarbon monoshock system) \/ Swing arm (1978-1982) \/ Swing arm and relay arm (1983-on) \/ Rear suspension bushing and bearing replacement (all models) CHAPTER THIRTEEN \/ BRAKES Drum brakes \/ Front brake cable replacement \/ Front disc brake (1986-on) \/ Front brake pad replacement \/ Front caliper \/ Front master cylinder \/ Front brake hose replacement \/ Front brake disc \/ Bleeding the systemCHAPTER FOURTEEN \/ SUSPENSION ADJUSTMENT Yamaha factory accessories \/ Suspension travel measurement \/ Front forks \/ Rear shock absorber (1978-1981) \/ Rear shock absorber (1982-on) INDEX WIRING DIAGRAMS<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nummer M393, Engelse taal. Uitvoerige beschrijvingen voor onderhoud of reparaties. Omvat de volgende modellen: \u00a0YZ50 (1980),\u00a0 YZ60 (1981-1982),\u00a0 YZ80 (1978-1990) QUICK REFERENCE DATA CHAPTER ONE \/ GENERAL INFORMATION CHAPTER TWO \/ TROUBLESHOOTING Two-stroke pressure testingCHAPTER THREE \/ LUBRICATION, MAINTENANCE AND TUNE-UP Pre-checks \/ Tires and wheels \/ Lubricants \/ Cleaning solvent \/ Engine lubrication \/&hellip;<\/p>\n","protected":false},"featured_media":28343,"template":"","meta":[],"product_brand":[],"product_cat":[1411,1070],"product_tag":[],"class_list":{"0":"post-28342","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-handboeken-yamaha","7":"product_cat-yamaha","8":"entry","9":"has-media","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>YZ50 1980, YZ60 1981-82, YZ80 1978-1990 - VMX Service<\/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:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"YZ50 1980, YZ60 1981-82, YZ80 1978-1990 - VMX Service\" \/>\n<meta property=\"og:description\" content=\"Nummer M393, Engelse taal. Uitvoerige beschrijvingen voor onderhoud of reparaties. Omvat de volgende modellen: \u00a0YZ50 (1980),\u00a0 YZ60 (1981-1982),\u00a0 YZ80 (1978-1990) QUICK REFERENCE DATA CHAPTER ONE \/ GENERAL INFORMATION CHAPTER TWO \/ TROUBLESHOOTING Two-stroke pressure testingCHAPTER THREE \/ LUBRICATION, MAINTENANCE AND TUNE-UP Pre-checks \/ Tires and wheels \/ Lubricants \/ Cleaning solvent \/ Engine lubrication \/&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/\" \/>\n<meta property=\"og:site_name\" content=\"VMX Service\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-21T17:45:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2024\/05\/yz50-1980-yz60-1981-82-yz80-1978-1990-.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"264\" \/>\n\t<meta property=\"og:image:height\" content=\"264\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data1\" content=\"2\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/\",\"url\":\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/\",\"name\":\"YZ50 1980, YZ60 1981-82, YZ80 1978-1990 - VMX Service\",\"isPartOf\":{\"@id\":\"https:\/\/www.vmx-service.eu\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2024\/05\/yz50-1980-yz60-1981-82-yz80-1978-1990-.jpg\",\"datePublished\":\"2024-05-31T12:26:24+00:00\",\"dateModified\":\"2024-09-21T17:45:32+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#primaryimage\",\"url\":\"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2024\/05\/yz50-1980-yz60-1981-82-yz80-1978-1990-.jpg\",\"contentUrl\":\"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2024\/05\/yz50-1980-yz60-1981-82-yz80-1978-1990-.jpg\",\"width\":264,\"height\":264},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.vmx-service.eu\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/www.vmx-service.eu\/de\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"YZ50 1980, YZ60 1981-82, YZ80 1978-1990\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.vmx-service.eu\/#website\",\"url\":\"https:\/\/www.vmx-service.eu\/\",\"name\":\"VMX Service\",\"description\":\"Vintage MX Parts\",\"publisher\":{\"@id\":\"https:\/\/www.vmx-service.eu\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.vmx-service.eu\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"de\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.vmx-service.eu\/#organization\",\"name\":\"VMX Service\",\"url\":\"https:\/\/www.vmx-service.eu\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/www.vmx-service.eu\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2025\/01\/VMX-logo.png\",\"contentUrl\":\"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2025\/01\/VMX-logo.png\",\"width\":278,\"height\":172,\"caption\":\"VMX Service\"},\"image\":{\"@id\":\"https:\/\/www.vmx-service.eu\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"YZ50 1980, YZ60 1981-82, YZ80 1978-1990 - VMX Service","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/","og_locale":"de_DE","og_type":"article","og_title":"YZ50 1980, YZ60 1981-82, YZ80 1978-1990 - VMX Service","og_description":"Nummer M393, Engelse taal. Uitvoerige beschrijvingen voor onderhoud of reparaties. Omvat de volgende modellen: \u00a0YZ50 (1980),\u00a0 YZ60 (1981-1982),\u00a0 YZ80 (1978-1990) QUICK REFERENCE DATA CHAPTER ONE \/ GENERAL INFORMATION CHAPTER TWO \/ TROUBLESHOOTING Two-stroke pressure testingCHAPTER THREE \/ LUBRICATION, MAINTENANCE AND TUNE-UP Pre-checks \/ Tires and wheels \/ Lubricants \/ Cleaning solvent \/ Engine lubrication \/&hellip;","og_url":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/","og_site_name":"VMX Service","article_modified_time":"2024-09-21T17:45:32+00:00","og_image":[{"width":264,"height":264,"url":"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2024\/05\/yz50-1980-yz60-1981-82-yz80-1978-1990-.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Gesch\u00e4tzte Lesezeit":"2\u00a0Minuten"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/","url":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/","name":"YZ50 1980, YZ60 1981-82, YZ80 1978-1990 - VMX Service","isPartOf":{"@id":"https:\/\/www.vmx-service.eu\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#primaryimage"},"image":{"@id":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#primaryimage"},"thumbnailUrl":"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2024\/05\/yz50-1980-yz60-1981-82-yz80-1978-1990-.jpg","datePublished":"2024-05-31T12:26:24+00:00","dateModified":"2024-09-21T17:45:32+00:00","breadcrumb":{"@id":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#breadcrumb"},"inLanguage":"de","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/"]}]},{"@type":"ImageObject","inLanguage":"de","@id":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#primaryimage","url":"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2024\/05\/yz50-1980-yz60-1981-82-yz80-1978-1990-.jpg","contentUrl":"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2024\/05\/yz50-1980-yz60-1981-82-yz80-1978-1990-.jpg","width":264,"height":264},{"@type":"BreadcrumbList","@id":"https:\/\/www.vmx-service.eu\/de\/product\/yz50-1980-yz60-1981-82-yz80-1978-1990\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.vmx-service.eu\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/www.vmx-service.eu\/de\/shop\/"},{"@type":"ListItem","position":3,"name":"YZ50 1980, YZ60 1981-82, YZ80 1978-1990"}]},{"@type":"WebSite","@id":"https:\/\/www.vmx-service.eu\/#website","url":"https:\/\/www.vmx-service.eu\/","name":"VMX Service","description":"Vintage MX Parts","publisher":{"@id":"https:\/\/www.vmx-service.eu\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.vmx-service.eu\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"de"},{"@type":"Organization","@id":"https:\/\/www.vmx-service.eu\/#organization","name":"VMX Service","url":"https:\/\/www.vmx-service.eu\/","logo":{"@type":"ImageObject","inLanguage":"de","@id":"https:\/\/www.vmx-service.eu\/#\/schema\/logo\/image\/","url":"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2025\/01\/VMX-logo.png","contentUrl":"https:\/\/www.vmx-service.eu\/wp-content\/uploads\/2025\/01\/VMX-logo.png","width":278,"height":172,"caption":"VMX Service"},"image":{"@id":"https:\/\/www.vmx-service.eu\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.vmx-service.eu\/de\/wp-json\/wp\/v2\/product\/28342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vmx-service.eu\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.vmx-service.eu\/de\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vmx-service.eu\/de\/wp-json\/wp\/v2\/media\/28343"}],"wp:attachment":[{"href":"https:\/\/www.vmx-service.eu\/de\/wp-json\/wp\/v2\/media?parent=28342"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.vmx-service.eu\/de\/wp-json\/wp\/v2\/product_brand?post=28342"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.vmx-service.eu\/de\/wp-json\/wp\/v2\/product_cat?post=28342"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.vmx-service.eu\/de\/wp-json\/wp\/v2\/product_tag?post=28342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}