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The basic function of a motorcycle frame is somewhat similar to that of the skeleton in the human body, i.e. to hold together the different parts in one rigid structure. One of the major benefits (for a motorcycle enthusiast) of using an advanced frame design lies in the sporty handling characteristics of the bike. A well designed frame can add to the joy of riding a motorcycle as the bike would feel more stable, effortless, and confident around corners, in straight lines and while braking. A well approved modeling [2] techniques or adequate guide line principles have to be followed while designing the body and chassis in order to achieve the vibration within control. This paper depicts a methodological right approach (guide lines) while designing the body and chassis of a two wheeler in order to control noise and vibration of the body and chassis.

In a two wheeler efficient braking becomes indispensable. CBS, ABS plays a significant achievement in meeting the required braking efficiency [2, 5, and 6]. Conversely for non CBS & non ABS motor cycles, braking efficiency [2, 5, and 6] becomes a challenging task for two wheeler OEM suppliers. This is because of the customers' affordability for the required degree of efficiency [2, 5, and 6]. This paper depicts the innovative design of brake drum [3, 4] pertaining to its functional aspect; catering to meet customer needs economically. Cast iron Brake drum [3, 4] is redesigned with an engineered solution which allows draining the water in rainy season. This has been verified though mathematical approach about contact [1] area between liner and brake drum [3, 4]. Thereafter proto part has been made as per 3D concept. Test Results of proposed design have been compared with the existing drum brake system.