SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G
                                (RULE 13d - 102)

           INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO
     13d-1(b), (c)AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b)

                               (Amendment No. 3)*

                       China Yuchai International Limited
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    G21082105
                                 (CUSIP Number)

                               September 22, 2003
             (Date of Event which Requires Filing of this Statement)



Check the  appropriate  box to  designate  the rule  pursuant to which this
Schedule is filed:

[ ]      Rule 13d-1(b)
[x]      Rule 13d-1(c)
[ ]      Rule 13d-1(d)


*The  remainder of this cover page shall be filled out for a reporting person's
initial  filing on this  form with  respect to the subject class of securities,
and for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).




1.       NAMES OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                  The Cathay Investment Fund Limited

2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

         (a)      [x]
         (b)      [ ]

3.       SEC USE ONLY

4.       CITIZENSHIP OR PLACE OF ORGANIZATION

                  Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.       SOLE VOTING POWER

                  0

6.       SHARED VOTING POWER

                  2,743,400

7.       SOLE DISPOSITIVE POWER

                  0

8.       SHARED DISPOSITIVE POWER

                  2,743,400

9.       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                  2,743,400

10.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
         EXCLUDES CERTAIN SHARES*   [ ]

11.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                  7.76%

12.      TYPE OF REPORTING PERSON*

                  CO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



1.       NAMES OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                  Paloma Partners L.L.C.

2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

         (a)      [x]
         (b)      [ ]

3.       SEC USE ONLY

4.       CITIZENSHIP OR PLACE OF ORGANIZATION

                  Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.       SOLE VOTING POWER

                  0

6.       SHARED VOTING POWER

                  779,300

7.       SOLE DISPOSITIVE POWER

                  0

8.       SHARED DISPOSITIVE POWER

                  779,300

9.       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                  779,300

10.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
         EXCLUDES CERTAIN SHARES*   [ ]

11.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                  2.21%

12.      TYPE OF REPORTING PERSON*

                  OO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


1.       NAMES OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
                  S. Donald Sussman

2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

         (a)      [x]
         (b)      [ ]

3.       SEC USE ONLY

4.       CITIZENSHIP OR PLACE OF ORGANIZATION

                  United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.       SOLE VOTING POWER

                  0

6.       SHARED VOTING POWER

                  3,522,700

7.       SOLE DISPOSITIVE POWER

                  0

8.       SHARED DISPOSITIVE POWER

                  3,522,700

9.       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                  3,522,700

10.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
         EXCLUDES CERTAIN SHARES*   [ ]

11.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                  9.97%

12.      TYPE OF REPORTING PERSON*

                  IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



     This  statement  is filed with  respect to the shares of common  stock (the
"Common   Stock")  of  China  Yuchai   International   Limited  (the   "Issuer")
beneficially owned by the Reporting Persons specified herein as of September 23,
2003 and amends and  supplements  the Schedule 13G dated  February 13, 1995,  as
amended on May 10, 1999 and  February  14,  2000  (collectively,  the  "Schedule
13G").  Except as set forth herein, the Schedule 13G, as previously  amended, is
unmodified.

Item 4.   Ownership.

     Provide  the  following  information  regarding  the  aggregate  number and
percentage of the class of securities of the issuer identified in Item 1.

          (a)      Amount beneficially owned:

                   The  Reporting  Persons  beneficially  own an  aggregate  of
                   3,522,700 shares of Common Stock

          (b)      Percent of class:

                   The Cathay Investment Fund Limited's  ("Cathay")  beneficial
                   ownership  of 2,743,400  shares of Common Stock  constitutes
                   7.76% of all of the  outstanding  shares  of  Common  Stock.
                   Paloma Partners L.L.C.'s ("Paloma")  beneficial ownership of
                   779,300 shares of Common Stock  constitutes  2.21% of all of
                   the  outstanding  shares  of  Common  Stock.  Mr.  Sussman's
                   aggregate beneficial ownership of 3,522,700 shares of Common
                   Stock constitutes 9.97% of all of the outstanding  shares of
                   Common Stock.

                   Together, the Reporting Persons have beneficial ownership of
                   9.97% of all of the outstanding shares of Common Stock.

          (c)      Number of shares as to which such person has:

                  (i)      Sole power to vote or direct the vote

                           Not applicable.

                  (ii)     Shared power to vote or direct the vote

                           Mr.  Sussman has shared power with Cathay to vote the
                           shares of Common Stock beneficially owned by Cathay.

                           Mr.  Sussman has shared power with Paloma to vote the
                           shares of Common Stock beneficially owned by Paloma.

                  (iii)    Sole power to dispose or direct the disposition of

                           Not applicable

                  (iv)     Shared power to dispose or direct the disposition of

                           Mr. Sussman has shared power with Cathay to dispose
                           of the shares of Common Stock beneficially owned by
                           Cathay.

                           Mr. Sussman has shared power with Paloma to dispose
                           of the shares of Common Stock beneficially owned by
                           Paloma.


Item 7.   Identification and Classification of the Subsidiary Which Acquired
          the Security Being Reported on by the Parent Holding Company.

     Paloma owns  779,300 of its shares of Common Stock  through its  subsidiary
Golden Mountain Partners L.L.C., a Delaware limited liability company.


Item 10.  Certification.

          By signing below the  undersigned  certifies  that, to the best of its
          knowledge  and  belief,  the  securities  referred  to above  were not
          acquired  and are not held for the  purpose  of or with the  effect of
          changing or  influencing  the control of the issuer of the  securities
          and were not  acquired  and are not  held in  connection  with or as a
          participant in any transaction having that purpose or effect.


                                   SIGNATURES

     After reasonable inquiry and to the best of its knowledge and belief,  each
of the undersigned  certifies that the information  with respect to it set forth
in this statement is true, complete, and correct.


Dated:             September 24, 2003


                   THE CATHAY INVESTMENT FUND LIMITED


                        By: /s/ Paul Wolansky
                            -----------------
                                Paul Wolansky,
                                Director

                   PALOMA PARTNERS L.L.C.
                        By: Paloma Partners Company L.L.C.
                                    Managing Member


                        By: /s/ Michael J. Berner
                            ---------------------
                                Michael J. Berner,
                                Vice President


                            /s/ S. Donald Sussman
                            ---------------------
                                S. Donald Sussman