Owner`s manual

ILMOR MV8 Owner’s Manual • Page 47

TROUBLESHOOTING

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.