ILMOR 2011 MV8 - TROUBLESHOOTING

2011 ILMOR MV8 Owner’s Manual • Page 47
T R O U B L E S H O O T I N G
T R O U B L E S H O O T I N G
 The following chartisofferedasassistanceinidentifyingandcorrectingminorissuesthatmayoccur.Prob-
lemsarelistedintheorderofmost-likelytoleast-likely.Notallpossibleproblems,causesandsolutionscanbelistedhere.
 Whenexperiencingproblems,checksurroundingsbeforeshuttingdowntheengine.Ifsuddenlystoppingthepower
wouldresultinplacingotherboatsandboatersinjeopardy,continueuntilitissafe(r)tosloworstopandanalyzethesituation.
Alwaysbeawareofsurroundingsandhowyouractionsmayimpactothers!
Problem PossibleCause PotentialSolution   
Engine will not turn over. Safetyswitchtethernotconnected. Connectthesafetyswitchtether.
 Throttle/shiftcontrolingear. Shifttoneutral.
 Maincircuitbreakeropen. Re-setthecircuitbreaker.
 Batteryterminalcorroded. Cleanthebatteryterminals.
 Batteryweakorwornout. Chargeorreplacethebattery.
 Looseorcorrodedbattery Cleanandtightenthebatterywiring
 wiringconnectors. connectors.
 Defectivestartersolenoid. Replacethestartersolenoid.
 Defectiveneutralsafetyswitch. Replacetheneutralsafetyswitch.
 Defectivestartermotor. Replacethestartermotor.
Engine turns over,  Safetyswitchtethernotconnected. Connectthesafetyswitchtether.
but will not start. Nofuelinthetank. Fillthefueltank.
 Fuellterclogged. Havedealerreplacethefuellter.
 Contaminatedfuel. Drainfuelproperlyandhavedealer
  replacethelter.
 Weakorshortedignitioncoil. Replacetheignitioncoil.
 Nofueltotheengine. SeeauthorizedILMORdealer.
Engine misses or Fouledsparkplugs. Havedealerreplacethesparkplugs.
idles rough. Looseordefectivehigh-tensionleads. Havedealertightenorreplacethe
  high-tensionleads.
 PluggedPCVvalve. HavedealerreplacethePCVvalve.
 Weakignitioncoil. Havedealerreplacetheignitioncoil.
 Vacuumleak. SeeauthorizedILMORdealer.
Poor boat performance. Fouledsparkplugs. Havedealerreplacethesparkplugs.
 Contaminatedfuel. Drainfuelproperlyandhavedealer
  replacethelter.
 Pluggedamearrestor. Cleantheamearrestor.
 Weakignitioncoil. Havedealerreplacetheignitioncoil.
 Fuellterclogged. Havedealerreplacethefuellter.
 Ignitionproblems. SeeauthorizedILMORdealer.
Poor gas mileage. Fouledsparkplugs. Havedealerreplacethesparkplugs.
 Pluggedamearrestor. Cleantheamearrestor.
 Inefcientdrivinghabits. Planetheboatquickly,thenslowdown
  todesiredspeed.
 PluggedPCVvalve. HavedealerreplacethePCVvalve.
 Ignitionproblems. SeeauthorizedILMORdealer.