2002 Bombardier Quest 650XT Service Manual, Page 101Get this manual
Section 03 ENGINE Subsection 08 (CYLINDER AND HEAD)
ROCKER ARM
Removal
Lock crankshaft with crankshaft locking bolt (PN 529 035 617), refer to CRANKSHAFT AND BALANCER SHAFTRemove: spark plug valve cover spark plug tube no7
R610motr88A
1Valve cover screws
valve cover no5 and profile sealing ring no6
R610motr90A
1Cylinder head 2Spark plug tube