Mariner 90 hp.L6

79Merc80

Senior Chief Petty Officer
Joined
Nov 22, 2007
Messages
673
Re: Mariner 90 hp.L6

Basically, it's setting up the carbs and timming so that when the timing reaches a certain point, the carbs begin to open. Others can explain it in more detail, but that's the idea.
 
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