Abstract
The purpose of this study is to determine the level of sigma, find out what factors cause defects, and find out the right way to reduce defective products. The research methodology used is quantitative. The analysis used is the Six Sigma method. The results achieved from this research are the level of sigma produced in the motorcycle exhaust of 4.3 and in the car exhaust 4.46, the factors that cause defects are mold, material, human, method, engine, and the right way to reduce the defective product is to check the machine carefully before and after use. The conclusion obtained is to minimize defective products on motorcycle and car exhaust products at PT Berlindo Mitra Utama by using the Six Sigma method.
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