<![CDATA[Purposes of the research are: (1) to do research effect of copper wire electrolyzer on CO and HC exhaust gas emission of Honda Beat motorcycle of 2010. (2) To do research effect of sparkplug type on CO and HC exhaust gas emission of Honda Beat motorcycle of 2010. (3) To do research interactive effect using copper wire electrolyzer and type of sparkplug on CO and HC exhaust gas emission of Honda Beat motorcycle of 2010. The experiment uses 4x3 factorial method and quantitative approach. Population of the research is Honda Beat motorcycle of 2010. Sample of the research is Honda Beat motorcycle with machine-number JF51E1050768. Sample is taken by using purposive random sampling technique. Based on the data analysis, it can be concluded that: (1) There were effect using copper wire electrolyzer on CO and HC exhaust gas emissions of Honda Beat motorcycle of 2010 and from the data presented indicate that the levels emissions of CO and HC were lower than before using electrolyzer. (2) There were effect using types of sparkplugs on CO and HC exhaust gas emissions of Honda Beat motorcycle of 2010 and from the data presented indicate that the levels emissions of CO and HC were lower than using the standard sparkplug. (3) There were interactive effect using electrolyzer and sparkplug type on CO and HC exhaust gas emission of Honda Beat motorcycle of 2010 and shows the exhaust emissions of CO and HC more lower.]]>
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