Re: Do I have a 70 or 90 HP mariner # B208848
Unfortunately its not that easy. The serial numbers for both the 70, 80, and 90 hp motors (and more) overlap.
It is a 1987 Motor.
Serial Number: 0B208848 Model Number: 7090727
To distinguish which horsepower it is (without any cowling decals to help) you need to look at the carb part number, or any other parts which may be different between the horsepowers.
For example,
70hp used WME-4 carbs
80hp used WME-1 carbs
90hp used WME-5 carbs
Visit mercurypartsexpress.com for component list breakdowns, and you'll see what other parts may be different.