CYD [CHINA YUCHAI INTERNATIONAL] SC 13D/A: SCHEDULE 13D/A (Amendment No. 12) China Yuchai International
[SCHEDULE 13D/A (Amendment No. 12) China Yuchai International Limited (Name of Issuer) Common Stock, Par Value $0.10 Per Share (Title of Class of Securities) G210821050 (CUSIP Number) Jinshu Zhang Reed Smith LLP 355 South Grand Avenue, Suite 2900 Los Angeles, California 90071 (213) 457-8116 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) December 12, 2012]