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2004 Merc 15HP 4 Stroke Console Missing at High RPM

C

Craig Bell

Guest
"Here is what we've had do

"Here is what we've had done so far, at this point the local Merc shop is at a loss.

Changed Plugs, Both coil parts, ignition wiring harness, Reset Flywheel (wasn't balanced correctly from factory) and changed the prop to an OEM merc prop.

Symptoms:
Runs perferctly up to 3/4 throttle on plane. Runs perfectly on full throttle until you reach plane. Once on plane anything above 3/4 throttle leads to significant missing.

Thanks in advance for your help!"
 
"I have tried 2 tanks, will tr

"I have tried 2 tanks, will try the fuel line.

which harness do you mean? We replaced all the wires from the console to the motor already, are you talking about something else?"
 
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