2004 Poalaris MSX110, MSX150 PWC Original Service Manual, Page 167Get this manual
FUEL INJECTIONIGNITIONEXHAUST SYSTEMS TroubleshootingEngine Lacks PerformanceRPM LimitsContinued Indicated Problem
Air Intake System
Inspection Procedure
Inspect condition of hoses and clampsInspect condition of intake screenInspect the intake system purge valve
Suspected Problem
AlternatorCharging System ECU
Verify at least 14 vDC present at battery terminals at idle speedUse Digital Wrencht diagnostic software to download any trouble codes and monitor engine performance dataInspect engine and chassis electrical harnessessVerify all connectors are clean and tightFollow troubleshooting procedures outlined within this chapterInspect system of blockageInspect system for exhaust leaks
Electrical Wiring Harness