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What does omc or bmc stand for

bill

Member
I am new at the boat thing an

I am new at the boat thing and i am unsure what spark plug to use. The table says if it is a omc or bmc to use a spark plug number QL77JC4 and all others to use a L77JC4 for a 91 johnson-evinrude. How do I tell what it is.
 
also spark plugs were changed

also spark plugs were changed when I got the boat cause it was fouling out the plugs
 
OMC = Outboard Marine Corp.

OMC = Outboard Marine Corp. BMC = Bombardier Marine Corp. Bombardier bought OMC a couple of years ago. OMC/BMC manufactures Johnson & Evinrude marine engines.
 
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