2006-2014 Honda FourTrax ATV TRX250 EX TRX250X Service Manual, Page 137Get this manual
CYLINDER HEADVALVECAMSHAFT Install the dowel pins and new gasketPlace the push rods onto the cam followers in the crankcase
Turn the crankshaft counterclockwise and align the mark on the flywheel with the index mark on th crankcase coverMake sure the piston is at TOe on the compression stroke (the push rods are lowered)
TMARKTf
INDEX MARK
Installing the head cover incorrectlv will result in severe engine damage
Remove the valve adjusting hole capsInstall the cylinder head cover wh ile holding the rocker arms to seat the rocker arm followers onto the push rod ends properlyBe sure there are no clearance at the mating surfaces and install the nine 6-mm boltsTighten the bolts in crisscross pattern in several stepsTighten the rocker arm shaft retaining bolts securely if they were removedInstall the rubber mount and tighten the 8-mm boltTORQUE: 32 N'm (3.3 kgfm, 24 Ibfft)