2002-2003 Bombardier Baja DS650 Service Manual, Page 57Get this manual
Section 03 ENGINE Subsection 03 (COOLING SYSTEM)
LEAK TEST
VERIFICATION
Before performing the cylinder leak test, verify the following: clamp(s) tightness radiator and hoses condition oily contamination on leak indicator hole (under water pump cover) means damaged oil seal on water pump shaft
LEAK TEST PROCEDURE PREPARATION AND TEST
NOTE: The following procedures should be done with cold engineDisconnect battery
WARNING
Always respect this order for disassembly; disconnect BLACK (-) cable firstElectrolyte or fuel vapors can be present in engine compartment and spark may ignite them and possibly cause personal injuriesUnplug and remove one spark plug onlyOn RH side, remove center plug on MAG cover