[] [The particulars of the Company’s subsidiaries as at December 31, 2010 are set forth below: - Attributable equity interests Name of company Jurisdiction Direct Indirect Guangxi Yuchai Machinery Company Limited People’s Republic of China (“PRC”) — 76.4 % Guangxi Yulin Yuchai Accessories Manufacturing Company Limited PRC — 74.2 % Yuchai Express Guarantee Co. Ltd PRC — 76.4 % Guangxi Yuchai] [I, Saw Boo Guan, certify that: 1. I have reviewed this annual report on Form 20-F of China Yuchai International Limited (the “Company”); 2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under] [(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Saw Boo Guan President and Director (ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Hoh Weng Ming Chief Financial Officer]

[TABLE OFNTENTS Page Certain Definitions and Supplemental Information 3 4 Part I Item1. Identity of Directors, Senior Management andvisers 5 Item2. Offer Statistics and Expected Timetable 5 Item3. Key Information 5 Item4. Information on thempany 30 Item4A. Unresolved Staffmments 53 Item5. Operating and Financial Review and Prospects] [The particulars of thempanys subsidiaries at December31, 2010 are set forth below: - Attributable equity interests Name ofmpany Jurisdiction Direct Indirect Guangxi Yuchai Machinerympany Limited Peoples Republic of China (PRC) 76.4 % Guangxi Yulin Yuchai Accessories Manufacturingmpany Limited 74.2 % Yuchai Express Guarantee] [I,w Boo Guan, certify that: 1. I have reviewed this annual report on Form 20-F of China Yuchai International Limited (thempany); 2. Based on my knowledge, this annual report does notntain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the] [(ii)the informationntained in the Report fairly presents, inl material respects, the financialndition and results of operations of thempany.w Boo Guan President and Director (ii)the informationntained in the Report fairly presents, inl material respects, the financialndition and results of operations of thempany. Hoh Weng Ming]