2004 Bombardier Outlander 330/400 Factory Service Manual, Page 49Get this manual
Subsection 03
Section 02 MAINTENANCE (MAINTENANCE PROCEDURES)
Inspect gasket on drain plug and replace as necessaryClean gasket area on engine and drain plug then reinstall plugRefill engine at the proper level with the recommended oilRefer to TECHNICAL DATA for capacityDo not overfillStart engine and let idle for few minutesEnsure oil filter area and drain plug areas are not leakingStop engineWait while to allow oil to flow down to crankcase then check oil levelRefill as necessaryDispose oil as per your local environmental regulations
Momentarily increase engine RPM several time to purge accumulated carbon from the mufflerStop engine and allow muffler to coolRemove shop rag and reinstall the clean out plug
WARNING
Never run engine in an enclosed areaNever perform this operation immediately after the engine has been run because exhaust system is very hotMake sure that there are no combustible materials in the areaWear eye protector and glovesNever stand behind the vehicle while purging exhaust systemRespect all applicable laws and regulationsCheck the exhaust system for damage, crack or leak (exhaust pipe)Repair or change if necessary