Troubleshooting - ILMOR 2011 MV8 User Manual

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
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
Engine will not turn over.
Engine turns over,
but will not start.
Engine misses or
idles rough.
Poor boat performance.
Poor gas mileage.
is offered as assistance in identifying and correcting minor issues that may occur. Prob-
Possible Cause
Safety switch tether not connected.
Throttle/shift control in gear.
Main circuit breaker open.
Battery terminal corroded.
Battery weak or worn out.
Loose or corroded battery
wiring connectors.
Defective starter solenoid.
Defective neutral safety switch.
Defective starter motor.
Safety switch tether not connected.
No fuel in the tank.
Fuel filter clogged.
Contaminated fuel.
Weak or shorted ignition coil.
No fuel to the engine.
Fouled spark plugs.
Loose or defective high-tension leads.
Plugged PCV valve.
Weak ignition coil.
Vacuum leak.
Fouled spark plugs.
Contaminated fuel.
Plugged flame arrestor.
Weak ignition coil.
Fuel filter clogged.
Ignition problems.
Fouled spark plugs.
Plugged flame arrestor.
Inefficient driving habits.
Plugged PCV valve.
Ignition problems.
2011 ILMOR MV8 Owner's Manual • Page 47
Potential Solution
Connect the safety switch tether.
Shift to neutral.
Re-set the circuit breaker.
Clean the battery terminals.
Charge or replace the battery.
Clean and tighten the battery wiring
connectors.
Replace the starter solenoid.
Replace the neutral safety switch.
Replace the starter motor.
Connect the safety switch tether.
Fill the fuel tank.
Have dealer replace the fuel filter.
Drain fuel properly and have dealer
replace the filter.
Replace the ignition coil.
See authorized ILMOR dealer.
Have dealer replace the spark plugs.
Have dealer tighten or replace the
high-tension leads.
Have dealer replace the PCV valve.
Have dealer replace the ignition coil.
See authorized ILMOR dealer.
Have dealer replace the spark plugs.
Drain fuel properly and have dealer
replace the filter.
Clean the flame arrestor.
Have dealer replace the ignition coil.
Have dealer replace the fuel filter.
See authorized ILMOR dealer.
Have dealer replace the spark plugs.
Clean the flame arrestor.
Plane the boat quickly, then slow down
to desired speed.
Have dealer replace the PCV valve.
See authorized ILMOR dealer.