The current detection method of motorcycle engine abnormal sound is artificial auscultation, which is very subjective and easy to make mistakes.

现行的摩托车发动机异响检测方法为人工听诊，主观性很强，容易出现错判。

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Therefore, it is necessary to establish an evaluation system of engine abnormal sound that detects engine sound objectively and quantitatively and improves the accuracy.

因此，有必要建立一种发动机异响评价体系，客观定量的检测发动机声音，提高准确率。

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This paper introduces the test results of abnormal engine valve sound on Model EQ6100 engine.

本文介绍了在EQ6100发动机上气门异响故障的试验研究。

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This paper introduces the test results of abnormal engine valve sound on Model EQ6100 engine.

本文介绍了在EQ6100发动机上气门异响故障的试验研究。

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