2002 Bombardier Quest 650XT Service Manual, Page 111Get this manual
Section 03 ENGINE Subsection 08 (CYLINDER AND HEAD)
Installation
For installation, reverse the removal procedurePay attention to the following detailsInstall camshaft then place the camshaft lock pin (PN 529 035 746) in the slot2
R610motr120A
1Valve spring compressor clamp (PN 529 035 724) 2Valve spring compressor cup (PN 529 035 725)
R610motr119A
1Camshaft lock position
For other parts, refer to proper installation procedure