What age is a mariner 25 hp with sn A148083?

To determine the age of a mariner 25 hp outboard motor with serial number A148083, you typically need to refer to the manufacturer's records or a specific serial number lookup guide for that brand. Generally, Mariner outboards were produced in the 1980s and 1990s, so this engine could likely be from that timeframe. However, for an exact year, checking with a dealer or the manufacturer's documentation would be necessary.