Look at the diagram and find the part you need. Note the reference number pointing to that part.
The final digits indicate design revisions, material changes, or color finishes. If Yamaha updated a gasket material to fix a factory leak, the revision code changes. For body plastics, these final digits ensure you receive a panel painted in your bike’s exact factory color scheme. Key Sections of the STX 125 Parts Manual
Official Yamaha parts catalogues are usually distributed for free. Do not pay third-party sites for basic PDF downloads.
The second section is a tabular list that corresponds to the diagrams. It is usually organized by page or figure number.
The is a staple "workhorse" motorcycle in the Philippines, prized for its 125cc 4-stroke engine and extreme fuel efficiency. Accessing a proper parts catalogue is essential for maintaining its durability and ensuring that only Genuine Yamaha Parts are used to keep the machine performing at factory specifications. Importance of the Parts Catalogue
Always confirm with your specific model year – early STX 125s had different electrical systems.
Shows the main bearings, connecting rod, and the engine casings.
Have a correction or a specific part number to share? Join the conversation in the comment section below or visit our resource page for direct download links to verified Yamaha STX 125 manuals.
A: In many cases, yes. The STX 125 and XT125 share the same 125cc engine platform. The parts diagram will allow you to confirm if part numbers (like the connecting rod 4LS-11651-02 ) are an exact match.
Look at the visual callout number pointing to the part you need (e.g., Number 5).
A parts catalogue is more than just a list; it’s a technical map of your motorcycle. It typically includes: