2005-2011 Honda Recon TRX250TE/TM service manual, Page 137Get this manual
CYLINDER HEADIV ALVE Install the cylinder head onto the cylinderInstall the two cylinder head mounting boltsTighten the mounting bolts securelyApply engine oil to the cylinder head flange nut threads and seating surfacesInstall the four washers and four cylinder head flange nuts and tighten the cylinder head flange nuts in crisscross panern in several steps to the
specified torqueTORGUE: 30 N'm (3.1 kgfm22 lbfftl
Install new O-ring into the carburetor insulator
grooveInstall the carburetor insulator onto the cylinder head with the mounti ng bolts and tighten the bolts to the specified torqueTORQUE: 10 Nm 11.0 kgf.mIbf-h )