2009 Arctic Cat 90 ATV Service Manual, Page 33Get this manual
CCYLINDER HEADCAMSHAFT DCAMSHAFT HOLDER ROCKER ARMS NOTE: Steps 1-3 in the preceding sub-section must precede this procedure
4While keeping tension on the cam chain, place the front cam chain guide into the cylinder
! CAUTION
Care should be taken that the bottom of the chain guide is secured in the crankcase bossYT168
6Install two alignment pins into the top of the cylinder head as illustrated
5Place new gasket into position on the cylinderPlace the alignment pins into position; then place the head assembly into position on the cylinder making sure the cam chain is routed through the chain cavity