Yamaha Stx 125 Parts Catalogue Pdf May 2026

Yamaha holds copyright over its parts catalogues. Downloading a PDF from an unofficial source may violate intellectual property laws. However, many manufacturers tolerate personal, non-commercial use of out-of-print manuals. When possible, purchase from an official or authorized reseller to support the creation of accurate documentation.

For owners, mechanics, and restorers of the Yamaha STX 125 (often associated with the Brazil-market Yamaha YS 125 platform), the Parts Catalogue (Parts Manual) is the single most valuable document to have on hand—arguably even more useful than the owner’s manual.

While the owner’s manual tells you how to ride the bike, the parts catalogue tells you how the bike is built. Below is a breakdown of what this document contains, why it is essential, and how to interpret its complex diagrams. yamaha stx 125 parts catalogue pdf

Based on owner experience, here are frequently ordered items – and their typical part number prefixes (always verify):

Always confirm with your specific model year – early STX 125s had different electrical systems. Yamaha holds copyright over its parts catalogues

Q: Is the Yamaha STX 125 parts catalogue the same as the Yamaha Crypton T135? A: No. While they share some engine architecture (both 125cc underbones), the STX is SOHC 2-valve; the T135 is DOHC 4-valve. Parts are not interchangeable unless the catalogue explicitly shows a shared part number.

Q: Can I get the catalogue in languages other than English? A: Yes. Yamaha released regional versions: English (export), Spanish (Latin America), Thai, and Indonesian. Search for "STX 125 parts catalogue Spanish PDF" if needed. For owners, mechanics, and restorers of the Yamaha

Q: My PDF is blurry. Is there a vector version? A: No. Original dealer EPC outputs raster images. The clearest versions are direct screen captures from Yamaha’s Dealer Diagnostic System (DDS). Look for PDFs above 15MB in size; smaller ones are heavily compressed.

Q: The part I need is listed as “NLA.” What do I do? A: Cross-reference the part number at online recyclers (e.g., eBay Motors, FBC Moto). Many NLA gaskets and seals can be matched by size using the dimensions hidden in the description.