1999-2000 Bombardier Traxter ATV Factory Service Manual, Page 71Get this manual
Subsection 08
Section 03 ENGINE (LUBRICATION SYSTEM)
CAUTION: Only use Bombardier high pressure filter or suitable equivalentThe Bombardier filter is specifically designed for this engineThis filter does not operate at the same pressure as other brandsUsing non-recommended filter may cause serious enginetransmission damageLubricate the O-ring on the filter with engine oilInstall the new filter then screw one full turn after O-ring contactWipe out any oil spillage on engineChange gasket on drain plugClean gasket area on engine and drain plug then reinstall plugRefill engine at the proper level with the recommended oilRefer to TECHNICAL DATA 11-02 for capacityStart 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
ENGINE OIL PRESSURE REGULATOR
The engine oil pressure regulator is located near exhaust pipe bracket