2004-2009 Suzuki LT-Z250 Service Manual, Page 256Get this manual

2004-2009 Suzuki LT-Z250 Service Manual, Page 256

SERVICING INFORMATION 123456789101112Engine runs poorly in 1high speed range2345678912345612345678910111213123456 Complaint
valve guidesCylinder wall scored or scuffedWorn valve stemsDefective stem sealsLoss of valve clearanceWeakened valve springsValve
timing out of adjustmentWorn piston ring or cylinderPoor seating of valvesFouled spark plugWorn rocker arms or shaftsSpark
plug gap incorrectClogged jets in carburetorFloat-chamber fuel level out of adjustmentClogged air cleaner elementToo much
engine oilSucking air around intake pipeHeavy carbon deposit on piston crownNot enough oil in the engineDefective oil pump
or clogged oil circuitFuel level too low in float chamberAir leak from intake pipeUse of incorrect engine oil Remedy AdjustReplaceReplaceReplaceReplaceReplaceAdjust
or replaceReplaceAdjustCleanReplaceAdjustReplaceAdjustReplaceAdjustReplaceAdjustCleanClean and primeReplaceCheck with inspection
window, drain out excess oilReplaceReplaceReplaceReplaceReplaceAdjustReplaceAdjustReplaceRepairClean or replaceReplaceAdjust