2006 Bombardier Outlander Max Series Factory Service Manual, Page 49Get this manual
Section 02 TROUBLESHOOTING Subsection 01 (TROUBLESHOOTING CHART)
SYMPTOM CONDITION TestInspection
ENGINE DOES NOT OFFER MAXIMUM POWER ANDOR DOES NOT REACH MAXIMUM OPERATING RPMNORMAL USE
1 Check items of engine suddenly turns off2Check air intake system aAir filter is clogged due to contaminationReplace air filter
3Check spark plug condition andor gap aFouled spark plug or wrong spark plug gapReadjust gap and clean spark plug or replace
4Check spark plug typeaImproper spark plug heat rangeInstall recommended spark plug (refer to TECHNICAL DATA)5Check engine compression and perform engine leak testRefer to ENGINE LEAK TEST procedure Check for possible piston seizureaDamaged head gasket andor seal andor leaking inletexhaust valve(s)Replace andor repair defective partsbWorn piston andor piston ring(s)Replace (refer to CYLINDER AND HEAD)