Main Article Content
Abstract
Sound levels are very crucial for an automobile because of strict norms framed by the government. After vehicle is sold out to the customer then it’s customers duty to maintain its health otherwise the sound level of the automobile will grow up. The higher sound level arises due to improper maintenance will not only dangerous to the humans but also a sign of fault arises in the main component of automobile. In this case study structure born sound of transmission system for four different variantsof Bajaj pulsar bikesbased on odometer reading were studied. Mainly, bikes were made to run in all the four gear ratios at 2000 rpm and sound levels at idle condition, moving and pass-by noise were recorded.