2008-2009 Suzuki 750 King Quad Service Manual, Page 80Get this manual

2008-2009 Suzuki 750 King Quad Service Manual, Page 80

Engine General Information and Diagnosis: Possible cause Low fuel pressureDefective TP sensorDefective IAT sensorsDefective
on piston crown(Defective engine internal Not enough oil in the engineparts) Defective oil pump or clogged oil circuitUse
of incorrect engine oilSucking air from intake pipeDefective cooling systemEngine overheats (Lean fuelair mixture) Short-circuited
IAP sensorlead wireShort-circuited IAT sensorlead wireSucking air from intake pipe jointDefective fuel injectorDefective
ECT sensorIgnition timing too advanced due to defective timing advance system (ECT sensor, CKP sensor and ECM Worn piston
rings or cylindersToo much engine oil in the engineWorn valve guidesScored or scuffed cylinder wallWorn valves stemsDefective
stem sealsWorn oil ring side railsCondition Engine runs poorly in high speed range (Defective control circuit or sensor)
CorrectionReference Item Repair or replaceReplaceReplaceReplaceReplaceReplaceAdjustReplaceReplaceAdjustReplaceAdjustReplaceRepairClean
or replaceAdjust or replaceCleanAdjustCleanReplaceDrain out excess oilReplaceReplaceRepair or replaceReplaceReplaceReplaceReplaceReplaceReplaceAdjustReplaceReplace