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无锡雅西摩托车厂开发研制成功1E 52FM—YX100mL摩托车发动机,1990年1月20日通过省级鉴定,各项技术指标均达到国家标准规定的优等水平,现以正式投入批量生产。
Wuxi Yaxi Motorcycle Factory successfully developed the 1E 52FM-YX100mL motorcycle engine. It passed the provincial appraisal on January 20, 1990, and all technical indicators have reached the superior level stipulated by the national standards. Now it is officially put into mass production.