Abstract :
This study aims to determine and analyze respondents' responses about product design to the purchasing decision process of a Yamaha motorcycle. The type of research used in this research is quantitative research. The samples taken in this study were 100 respondents, namely Bengkalis people who were buyers of Yamaha motorbikes. Data were collected in the form of a questionnaire with a nonprobality sampling method, namely accidental sampling. In data analysis using regression analysis, determination, significance test. The results of the descriptive analysis of product design variables can be seen that the mean score of 3.19 is included in the high class category and the results of the analysis of the purchase decision process can be seen that the mean score of 3.19 is included in the high class category. From the results of the calculation of the significance test of the Product Design variable that t count 10.808> t table 1.984 with sig 0.000 = 0.05. Thus it can be concluded that product design has a positive and significant effect on the purchasing decision process, so that the alternative hypothesis Ha is accepted and Ho is rejected. The results in this study indicate that the product design results have a positive and significant effect with the coefficient of determination of 0.544 or equal to 54.4% on the purchasing decision process of Yamaha motorbikes, while the remaining 0.456 or 45.6% in percentage are caused by other variables. besides product design the results are not discussed in this study.