The cost of a spark plug for a Bajaj bike can vary depending on the specific model and variant, as well as the region and availability. Generally, spark plugs for Bajaj motorcycles are relatively affordable and can range from around $2 to $10 per spark plug.
To get an accurate and up-to-date price for the spark plug of your specific Bajaj bike model, it is recommended to contact a Bajaj dealership or authorized service center in your area. They will be able to provide you with the precise cost of the spark plug and any other relevant information regarding its installation or maintenance.