2002 Bombardier Quest 650XT Service Manual, Page 60Get this manual
Section 03 ENGINE Subsection 03 (LEAK TEST)
Install 1.25 50 mm bolt and nut on the MAG side of the crankshaftLock bolt with the help of the nut then turn bolt until piston is at TDC
NOTE: Each tester will have specific instruction on the gauge operation and required pressureInstall gauge adapter into previously cleaned spark plug holeSupply combustion chamber with air pressureV04C0YA
V04C0ZA
1Bolt M8 1.25 50 mm 2Nut M8
Lock camshaft using camshaft locking pin (PN 529 035 746) (refer to CYLINDER AND HEAD)1
1Leak tester 2Adequate adapter for spark plug hole 3Air supply hose