2005-2011 Honda Recon TRX250TE/TM service manual, Page 151Get this manual
CYLINDERPISTONCAMSHAFT Apply molybdenum disulfide oil to the camshaft lobes and apply oil to the camshaft journalInstall the camshaft and cam chain into the crank-
case with its cam lobes facing down
Install the cam chain on the cam sprocket and crankshaft sprocket then align the "250" punch mark on installing the cam the cam sprocket with the index mark on the sprocket crankcaseInstall the camshaft into the crankcase