{"product_id":"yamaha-gdr155-nvx-155-service-manual","title":"Yamaha GDR155 NVX 155 Scooter Service Manual | 2017-202","description":"\u003cdiv style=\"line-height: 1.45;\"\u003e\n\u003c!-- HEADER --\u003e\n\u003cdiv style=\"background: linear-gradient(rgb(47, 95, 166) 0%, rgb(30, 67, 120) 100%); padding: 16px; border-radius: 6px 6px 0px 0px;\"\u003e\n\u003cdiv style=\"color: rgb(255, 255, 255); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; font-size: 24px; font-weight: 800; letter-spacing: 1px;\"\u003eYamaha \u003cspan style=\"color: #ffd24d;\"\u003e2017-2022\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 6px;\"\u003e\u003cspan style=\"color: #e7f0ff; font-family: Segoe UI, Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 13px; letter-spacing: 0.8px; text-transform: uppercase;\"\u003e\u003cb\u003eGDR155 NVX 155 • Service Manual\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; border-width: 0px 1px 1px; border-image: initial; padding: 14px; background: rgb(255, 255, 255); border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cp\u003eComplete OEM workshop manual for the 2017 Yamaha GDR155 and GDR155-A (NVX 155) scooters, covering full engine overhaul, V-belt CVT service, EFI fuel injection diagnostics, ABS troubleshooting, Smart Key system, and complete electrical circuit diagrams for both variants. Everything a technician needs to maintain, repair, and diagnose these fuel-injected maxi-scooters. Delivered instantly as a fully searchable PDF — works on any device.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdobe Acrobat (PDF) format\u003c\/li\u003e\n\u003cli\u003eFully searchable\u003c\/li\u003e\n\u003cli\u003eEasily print any or all content\u003c\/li\u003e\n\u003cli\u003eEverything needed to repair \u0026amp; maintain your scooter\u003c\/li\u003e\n\u003cli\u003eTroubleshooting instructions, wiring diagrams, and reference material\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- MODELS COVERED --\u003e\n\u003cdiv style=\"background: rgb(238, 244, 251); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"color: rgb(30, 67, 120); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; font-size: 13.5px; font-weight: 800; text-transform: uppercase;\"\u003eModels Covered\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eGDR155 (NVX 155 — standard)\u003c\/li\u003e\n\u003cli\u003eGDR155-A (NVX 155 — ABS \/ Smart Key variant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TOC --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(255, 255, 255); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eTable of Contents (412 Pages)\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 10px; font-size: 13.5px;\"\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eGENERAL INFORMATION\u003c\/li\u003e\n\u003cli\u003eSPECIFICATIONS\u003c\/li\u003e\n\u003cli\u003ePERIODIC CHECKS AND ADJUSTMENTS\u003c\/li\u003e\n\u003cli\u003eCHASSIS\u003c\/li\u003e\n\u003cli\u003eENGINE\u003c\/li\u003e\n\u003cli\u003eCOOLING SYSTEM\u003c\/li\u003e\n\u003cli\u003eFUEL SYSTEM\u003c\/li\u003e\n\u003cli\u003eELECTRICAL SYSTEM\u003c\/li\u003e\n\u003cli\u003eTROUBLESHOOTING\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT'S INCLUDED --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(247, 247, 247); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eWhat's Included\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eComplete engine disassembly and assembly procedures including cylinder head, camshaft, valves, piston, and crankshaft\u003c\/li\u003e\n\u003cli\u003eV-belt automatic transmission (CVT) service: primary sheave, secondary sheave, clutch shoes, and V-belt replacement\u003c\/li\u003e\n\u003cli\u003eEFI (fuel injection) system diagnostics with SGCU self-diagnostic function, fault codes, and Yamaha Diagnostic Tool procedures\u003c\/li\u003e\n\u003cli\u003eFuel system service: fuel tank, fuel pump, fuel filter, fuel injector, throttle body, and air filter case\u003c\/li\u003e\n\u003cli\u003eCooling system overhaul: radiator, thermostat, and water pump disassembly, inspection, and assembly\u003c\/li\u003e\n\u003cli\u003eFull chassis service: body panel removal, front and rear wheel service, front fork disassembly, steering head, and swingarm\u003c\/li\u003e\n\u003cli\u003eFront hydraulic disc brake and rear drum brake service including caliper, master cylinder, and brake pad replacement\u003c\/li\u003e\n\u003cli\u003eABS (Anti-Lock Brake System) service for GDR155-A: hydraulic unit, ABS ECU, fault codes, and troubleshooting\u003c\/li\u003e\n\u003cli\u003eSmart Key system service for GDR155-A: circuit diagrams, self-diagnosis, emergency mode, key registration and disabling procedures\u003c\/li\u003e\n\u003cli\u003eStop and Start system procedures for GDR155-A including circuit diagrams and troubleshooting\u003c\/li\u003e\n\u003cli\u003eComplete electrical system coverage: ignition, electric starting, charging, lighting, signaling, and fuel pump circuit diagrams\u003c\/li\u003e\n\u003cli\u003eVVA (Variable Valve Actuation) solenoid checking and service procedures\u003c\/li\u003e\n\u003cli\u003eTroubleshooting charts for starting failure, idling, clutch faults, overheating, braking, handling, and lighting issues\u003c\/li\u003e\n\u003cli\u003eOEM specifications and torque tables covering engine, chassis, and general fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURES --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(255, 255, 255); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eFeatures\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"font-size: 13.5px;\"\u003eOEM-quality PDF (searchable and printable)\u003c\/li\u003e\n\u003cli style=\"font-size: 13.5px;\"\u003eHigh-resolution diagrams and schematics\u003c\/li\u003e\n\u003cli style=\"font-size: 13.5px;\"\u003eWorks on PC, Mac, tablet, and mobile devices\u003c\/li\u003e\n\u003cli style=\"font-size: 13.5px;\"\u003e\n\u003cb\u003eImportant:\u003c\/b\u003e This is a digital PDF manual. No paper book will be provided.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- DON'T SEE WHAT YOU NEED --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(238, 244, 251); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eDon't See What You Need?\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eWe maintain thousands of reference guides.\u003c\/li\u003e\n\u003cli\u003eMessage us. We can point you to the correct listing or post the one you're looking for.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- BUY WITH CONFIDENCE --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(255, 255, 255); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eBuy With Confidence\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eThousands of satisfied customers\u003c\/li\u003e\n\u003cli\u003eFast access to digital download\u003c\/li\u003e\n\u003cli\u003eReliable post-sale support\u003c\/li\u003e\n\u003cli\u003e60-day worry-free returns\u003c\/li\u003e\n\u003cli\u003eConsistent 5-star feedback and repeat buyers\u003c\/li\u003e\n\u003cli\u003eIf you have any questions about compatibility, model coverage, or what this manual includes, message us anytime. We pride ourselves on exceptional customer service and can provide expert support on all products we sell.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CUSTOMER QUOTES --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(247, 247, 247); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eWhat Our Customers Are Saying\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cul\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBetter than the hard copy I had.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eLess than 5 minutes after purchase I had already downloaded my manual. Great service.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eThis was a life saver for a piece of equipment I bought that did not have the manuals.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eThe manual was just what I needed to fix the problem with my lower unit.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGreat customer service. My manual wasn't showing all the pictures and it turned out to be my PDF viewer. The seller helped me determine the problem and get it fixed.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eExactly what I needed. Zero complaints.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eTreasure trove of information. Thank You.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReceived my repair manual as described — super easy. Will be nice to have detailed instructions for my machine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FREQUENTLY ASKED QUESTIONS --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(255, 255, 255); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 12px; font-size: 13.5px;\"\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: rgb(34, 34, 34);\"\u003eQ: Is this the official factory manual?\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 4px; color: rgb(60, 60, 60);\"\u003eA: Yes — this is the same OEM factory service manual used by authorized dealership technicians.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 4px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: rgb(34, 34, 34);\"\u003eQ: How do I receive this manual?\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 4px; color: rgb(60, 60, 60);\"\u003eA: You will receive a download link in your email immediately after purchase. The download link will also appear on your checkout page.  No physical item is shipped. The PDF works on any PC, Mac, tablet, or phone and requires free Adobe Acrobat Reader.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ALSO SEARCHABLE AS --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(247, 247, 247); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eAlso Searchable As\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px; color: rgb(60, 60, 60);\"\u003eYamaha NVX service manual, GDR155 repair guide, Yamaha 155 scooter manual, NVX 155 workshop manual, Yamaha maxi scooter service manual, GDR155-A repair manual\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SHIPPING \u0026 RETURNS --\u003e\n\u003cdiv style=\"color: rgb(255, 255, 255); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(42, 42, 42); padding: 12px 14px; border-radius: 0px 0px 6px 6px;\"\u003e\n\u003cdiv style=\"font-weight: 800; text-transform: uppercase;\"\u003eShipping \u0026amp; Returns\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cp\u003e\u003cb\u003eShipping\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstant Digital Delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eReturns\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you're not fully satisfied, simply contact us for a no-hassle refund.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\ntable, th, td {\n    border: none;\n}\n\u003c\/style\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":48622291419392,"sku":"YAMAHA_GDR155","price":12.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/1785\/2672\/files\/il_fullxfull.7826658298_2gdn.jpg?v=1776697999","url":"https:\/\/dalmanuals.com\/products\/yamaha-gdr155-nvx-155-service-manual","provider":"DAL Manuals","version":"1.0","type":"link"}