safetyfast
Well-known member
Just got my first boat and motor. I want to be sure and take care of it, so I'm trying to find a factory service manual. I've found some manuals on line, but all of the mercury/Mariner manuals I've found for the 25 hp two-stroke are for serial numbers starting with 0G. Mine starts with 0C22, which according to Mariner's website, makes it a 1990 model. I've searched ebay. It also shows plenty of 0G serial number manuals, but none for 0C.