Mercury 300 efi ecu

**aj5099** · 03-06-2021, 05:21 PM

300 efi fuel and ignition ecu $750

**PepperTman** · 03-07-2021, 07:39 AM

Originally Posted by aj5099

300 efi fuel and ignition ecu $750

Have you tested these and found them in operating order ?

**aj5099** · 03-07-2021, 08:32 AM

These were working fine the motor they were on lost oil injection and caused a piston to seize ��

**PepperTman** · 03-07-2021, 09:16 AM

Originally Posted by aj5099

These were working fine the motor they were on lost oil injection and caused a piston to seize ��

Intake and heads for sale too ?

**aj5099** · 03-07-2021, 09:20 AM

One head doesn’t look the best from the bad cylinder I would not feel good selling it to be honest. I have sold the intake sorry.

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