The Bajaj Pulsar 125 BS6 is a motorcycle that requires engine oil with specific properties to ensure proper lubrication and performance. It is recommended to use engine oil that meets the manufacturer's specifications outlined in the owner's manual. The manual will provide information on the recommended viscosity grade and performance standards for the engine oil.
In the case of the Bajaj Pulsar 125 BS6, it is most likely recommended to use a 10W-30 or 10W-40 grade engine oil that meets the API (American Petroleum Institute) specifications of SL or higher. However, to be certain about the exact engine oil recommendation for your specific motorcycle, it is best to refer to the owner's manual or consult with an authorized Bajaj service center. They will have the most accurate and up-to-date information regarding the appropriate engine oil for your Bajaj Pulsar 125 BS6.