This comprehensive Yamaha TY80A TY80B parts manual provides detailed parts diagrams and complete part numbers for both motorcycle models. The manual contains extensive crankcase assembly diagrams, cylinder components, gaskets, bolts, screws, and covers with precise Yamaha part numbers for accurate identification and ordering. Each component is clearly illustrated with corresponding part numbers, quantities needed, and detailed assembly references.
The parts catalog covers essential engine components including crankcase assemblies, cylinder heads, gaskets, dowel pins, pan head screws, stud bolts, and various covers. All parts are listed with official Yamaha part numbers such as 374-15111-00-00 for Crankcase 1, 451-11311-00-00 for Cylinder 1, and 451-11111-00-00 for Cylinder Head 1, making it easy to source genuine replacement parts from Yamaha dealers or aftermarket suppliers.
This vintage parts manual is essential for anyone restoring, maintaining, or repairing Yamaha TY80A and TY80B trials motorcycles. The detailed exploded view diagrams and comprehensive parts listings make it invaluable for mechanics, vintage motorcycle enthusiasts, and owners who need to identify specific components or order replacement parts for these classic Yamaha trials bikes.








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