2007 Arctic Cat Four-Stroke Factory Service Manual, Page 77Get this manual
! NOTE: Coat the cylinder wall, connecting rod bearing surface, and the crankshaft with lightweight oil 4Compress the piston rings and install the piston and connecting rod assembly taking care not to damage the crankshaft with the connecting rod studs
! CAUTION
The arrow on the connecting rod must be directed towards the camshaft
2Install the crankshaft with the connecting rod journal facing down
! NOTE: When installing the piston, rotate the crankshaft until the piston is at the bottom of the stroke