Portion of an internal combustion engine

FIG. 1 is a front, left side perspective view of a preferred embodiment of a portion of the internal combustion engine;

FIG. 2 is an enlarged fragmentary view of the preferred embodiment of FIG. 1;

FIG. 3 is a front, right side perspective view of the preferred embodiment;

FIG. 4 is an enlarged fragmentary view of the preferred embodiment of FIG. 3;

FIG. 5 is a rear, left side perspective view of the preferred embodiment;

FIG. 6 is an enlarged fragmentary view of the preferred embodiment of FIG. 5;

FIG. 7 is a rear, right side perspective view of the preferred embodiment;

FIG. 8 is an enlarged fragmentary view of the preferred embodiment of FIG. 7;

FIG. 9 is a front elevational view of the preferred embodiment;

FIG. 10 is an enlarged fragmentary view of the preferred embodiment of FIG. 9;

FIG. 11 is a top view of the preferred embodiment;

FIG. 12 is an enlarged fragmentary view of the preferred embodiment of FIG. 11;

FIG. 13 is a right side elevational view of the preferred embodiment;

FIG. 14 is an enlarged fragmentary view of the preferred embodiment of FIG. 13;

FIG. 15 is a rear elevational view of the preferred embodiment;

FIG. 16 is an enlarged fragmentary view of the preferred embodiment of FIG. 15;

FIG. 17 is a bottom view of the preferred embodiment; and,

FIG. 18 is an enlarged fragmentary view of the preferred embodiment of FIG. 17.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design.