Hello to all,
I have a 1994 Evinrude commercial 55 hp twin that misses thru the entire operating range. It starts easily but misses. I have changed out the ignition coils, power pack, spark plugs, changed plug wires, disassembled and rebuilt carbs, new fuel filter and went thru the sync instructions. compression is 125 in both holes.
Is it missing because I am running on muffs and there is no backpressure?
Fuel pump is right on spec for pressure, fuel is new.
Please help as I am at wits end.
Thanks to all in advance.
Rob
I have a 1994 Evinrude commercial 55 hp twin that misses thru the entire operating range. It starts easily but misses. I have changed out the ignition coils, power pack, spark plugs, changed plug wires, disassembled and rebuilt carbs, new fuel filter and went thru the sync instructions. compression is 125 in both holes.
Is it missing because I am running on muffs and there is no backpressure?
Fuel pump is right on spec for pressure, fuel is new.
Please help as I am at wits end.
Thanks to all in advance.
Rob