AD Boivin SNOW-HAWK 800 HO 2007 Shop Manual page 150

Drive belt and pulley adjustments must always be
checked whenever pulleys have been removed, replaced
or disassembled.
3, Cam
Make sure to install proper cam. Refer to TECHNICAL
o
DATA.
Cam angle is identified on cam
o
NOTE: For high altitude regions, a service bulletin will give
information about calibration according to altitude.
CAUTION
PRIMARY TRANSMISSION SYSTEM 8-23