The recommended engine oil for your Pulsar 125cc bike may vary depending on factors such as climate conditions and specific manufacturer recommendations. It is always best to consult the owner's manual or contact the manufacturer directly for the most accurate and up-to-date information regarding the recommended engine oil for your bike.
As for the engine oil drain time, it is generally recommended to change the engine oil and oil filter at regular intervals as specified by the manufacturer. The recommended drain interval can vary depending on factors such as the type of engine oil used, the operating conditions, and the maintenance schedule recommended by the manufacturer. Typically, it is advisable to change the engine oil every 3,000 to 6,000 miles or every 6 months, whichever comes first. However, it's important to consult the owner's manual or contact the manufacturer for the specific drain interval recommendation for your Pulsar 125cc bike.