GeneralTroubleshooting
Problem
PossibleCauseCorrectiveAction
Chokenotclosed1.Checktoseeifthechokeisfully
closedatstartup.
2.Checkthethermalcontrol,choke
linkage,andairvaneoperation.
3.Makeadjustmentsorreplace
componentsasnecessary.
Fueldeliveryissue
1.Checkfuellevelinthetank,fuel
lter,fuellines,fueltankventing,
andcarburetor.
2.Cleandebrisfromthefuelsystem.
3.Replacedamagedcomponentsas
necessary.
Fuelquality
1.Checkthefuelconditionforage,
octane,ethanol,percentage,water
orothercontaminates.
2.Flushthefuelsystem.
3.Replacethefuel.
Weakornospark
1.Checktoverifythesparkplugcap
isinstalledcorrectly,ignitioncoil
airgap,sparkplug,andsparkplug
gap.
2.Adjusttheignitioncoilairgap.
3.Replacedamagedcomponents.
Engineturnsoverbutwillnotstart
Insufcientcompression1.Performaleakdowntest.
2.Checkforworncylinder,valve(s)
notseating,valveclearance,and
headgasket.
3.Adjustthevalveclearance.
4.Replacedamagedcomponents.
1P65F-2ServiceManual
Page3–3
Troubleshooting:GeneralTroubleshooting
3429-270RevA