ProBoat ZELOS 48G - Engine Specific Troubleshooting Guide; Engine Troubleshooting Guide

Owner’s Manual
Engine Troubleshooting Guide
Problem Possible Cause Solution
Enginedoesnotstart
Outoffuel Rellthetankandfollowstartinginstructions
Engineooded
Removethesparkplug.Pullthestartercordina
quickcontinuousmotion.Replaceandtest
Fuelmixtureisoldorbad Mixfreshfuelperinstructions
Sparkplugisnotworking Repairorreplacethesparkplug
Throttleservofailed/Setupiswrong
Checkservooperation.Setittoneutralandreset
thelinkageaccordingtoyourradioandmodel
manufacturer’sspecications
Carburetorisincorrectlyadjusted
Returnthecarburetortothefactorysettingsand
retuneifnecessary
Enginestopswitchismalfunctioning Checkandreplacethestopswitchifnecessary
Pistonandcylinderisworn
Checkthepistonandcylinderforwearordamage
andreplaceifnecessary
Wiringisdisconnectedordamaged Connectwiring,repairorreplacedamagedparts
Receiverswitchisoff Poweronreceiverswitch
Enginestartsthenstalls
Outoffuel Rellthetankandfollowstartinginstructions
Enginemaybeoverheated
Lettheenginecool.Resetthecarburetorto
factorysettingsandrestart
Engineidleistoolow Followtheinstructionstoincreaseidlespeed
Carburetorisincorrectlyadjusted
Returnthecarburetortothefactorysettingsand
retuneifnecessary
Clutchisslippingorlocked-up Repairorreplacetheclutch
Fuelmixtureisoldorbad Mixfreshfuelperinstructions
Throttleservoisimproperlysetup
Settheservotoneutralandresetthelinkage
accordingtoradioandmodelmanufacturer’s
specications
Clutchorexshaftcannotturn Repairorreplacedamagedparts
Engineisrunning,but
vehicledoesnotmove
Clutchisslippingorlocked-up Replacedamagedparts
Clutchorexshaftisdamaged Replacedamagedparts
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