* Many Yamaha 125 models exist: There are scooters, motorcycles, and even ATVs with "125" in their names. Each has different engines, gearing, and design, resulting in varying top speeds.
* Speed is affected by factors beyond the engine: Rider weight, road conditions, wind resistance, and even tire pressure can influence how fast a bike will go.
* Legal limits: Most countries have speed limits, and manufacturers often restrict the top speed of bikes to comply with these regulations.
To find the approximate top speed of your specific Yamaha 125, you need to:
1. Identify the exact model: Look for the model name and year of manufacture on the bike or in its documentation.
2. Research online: Search for "Yamaha [model name] top speed" to find information on forums, reviews, or manufacturer specifications.
3. Consult a manual: The owner's manual may provide information on the bike's performance.
Important Note: Always ride within the legal speed limits and prioritize safety over speed.