2002 Bombardier Quest 650XT Service Manual, Page 34Get this manual
Section 02 MAINTENANCE Subsection 03 (MAINTENANCELUBRICATION)
Check O-ring on filter cover and change it if necessary
OIL STRAINER
Refer to LUBRICATION section
SPARK ARRESTER
The muffler must be periodically purged of accumulated carbonSelect well-ventilated area and make sure the muffler is coolPlace transmission on park positionRemove the clean out plug
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Check and clean oil filter inlet and outlet area for dirt and other contaminations
V04C0DA