2002-2003 Bombardier Baja DS650 Service Manual, Page 58Get this manual
Section 03 ENGINE Subsection 03 (COOLING SYSTEM)
On LH side, remove the larger socket screw then quickly install the crankshaft locking bolt (PN 529 035 617) to avoid oil leakageDo not tighten
Torque the crankshaft locking bolt to lock crankshaftRemove radiator cap and dipstickConnect leak tester to adequate air supplySet needle of measuring gauge to zero
V02C3QA
NOTE: little quantity of engine oil will come out of the holeAfter leak test, check oil level and refill if necessaryUsing an Allen key through the MAG cover, bring crankshaft to TDC, compression stroke