1999-2004 Honda TRX400EX FourTrax Service Manual, Page 103Get this manual
CYLINDER HEADWALVE Route the cam cnain tnrough the cylhoer head and instalthe cylinoer head onto the cylinderApply oil to the cylinder head nut threads and seating surfacesInstall the cylinder head nuts with the washers and tighten them in crisscross pattern in or stepsNote the position of the large washerCYLlhDER HEAD
TOROUE: 44 Nm (4.5 kgfm, 33 IbfW
Install and tighten the spark plug
TOROUE: 18 N.rn (1.8 kgfm, 13 Ibf4t)