This manual has been made available through using cutting-edge digital scans of original artwork from archived editions of our famous Workshop Manuals. The legendary mechanics and authors who created these titles may have since retired, but thanks to print-on-demand technology you are now able to purchase a new copy of these highly sought-after rarities for your vehicle.Safety first!Routine MaintenanceChapter 1: Engine, clutch and gearboxChapter 2: Fuel system and lubricationChapter 3: Ignition systemChapter 4: Frame and forksChapter 5: Wheels, brakes and tyresChapter 6: Electrical systemChapter 7: The 1978 to 1982 modelsWiring diagramsConversion factorsEnglish/American terminologyIndexWhat's covered: Yamaha RD125 124cc UK '74-'76Yamaha RD125 124cc US '74-'76Yamaha RD125DX 124cc UK '76-'82