2004 Bombardier Outlander 330/400 Factory Service Manual, Page 67Get this manual
Section 03 ENGINE Subsection 02 (TROUBLESHOOTING)
SYMPTOM CONDITION TestInspection THE ATV ACCELERATES SLOWLY, ESPECIALLY WHEN IT IS STOPPEDNORMAL USE1Check drive belt conditionaBelt is too narrow (drive belt engagement is higher in drive pulley)Replace belt if width is less than specified (refer to CVT andor TECHNICAL DATA)2Check roller(s) on governor cup andor lever condition on drive pulley sliding halfaRoller(s) is (are) worn andor damaged (refer to CVT)Replace governor cup assemblybLever(s) on drive pulley sliding half is (are) worn andor damaged (refer to CVT)Replace all levers at the same time (lever kit)3Check drive pulley sliding half for free axial movementaSliding half is stuck (refer to CVT)Replace damaged part(s)4Check condition of drivedriven pulley springaDrive pulley spring tension is too smooth andor damaged (refer to CVT)Replace springbDriven pulley spring tension is too stiff (refer to CVT)Replace spring5Check carburator adjustment andor high altitude calibrationaCarburator is not adjusted according to specified values andor high altitude calibrationReadjust carburator6Check engine conditionaLow engine compressionReplace defective part(s)7Check ignition conditionaFaulty spark plugInstall new spark plug(s)8Check valve adjustmentaIntake andor exhaust valves are not adjusted correctlyAdjust valves9Check differentials operationaVehicle on Neutral is hard to moveRepair or replace defective part(s)