1999-2004 Honda TRX400EX FourTrax Service Manual, Page 109Get this manual
CYLINDER HEADlVALVE Install the valve adjusting hole capsInstall the cylinder head cover onto the cylinder headInstall the mm and rnrn cylinder head cover bolts and tighten them in crisscross pattern or stepsTORQUE: mm bolt: 23 Nm (2.3k 17 IbfW
Install the spacers, upper engine hanger bolt and nut, and tighten the nutTORQUE: 54 Nm (5.5 40 IbfW