i think it is a mid 70's mercury serial #4817009
J jay_61074 Seaman Apprentice Joined Jul 9, 2008 Messages 34 Jul 28, 2008 #1 i think it is a mid 70's mercury serial #4817009
L Laddies Banned Joined Sep 10, 2004 Messages 12,218 Jul 29, 2008 #2 Re: need some info mercury outboard The HP would be a great help
K kingsnakejr Seaman Joined Jun 16, 2008 Messages 70 Jul 29, 2008 #3 Re: need some info mercury outboard Looks like a 1977 20 HP by the chart I'm looking at.
J jay_61074 Seaman Apprentice Joined Jul 9, 2008 Messages 34 Jul 29, 2008 #4 Re: need some info mercury outboard sorry im new to this 90hp, power trim, i was told is was a four cylinder 2 stroke.
Re: need some info mercury outboard sorry im new to this 90hp, power trim, i was told is was a four cylinder 2 stroke.
T tim123104 Cadet Joined Jul 25, 2008 Messages 8 Jul 31, 2008 #5 Re: need some info mercury outboard its a 77'. does it say 90 hp on the cowling? cant find anything for a 90 hp. lots of other choices with that serial #.
Re: need some info mercury outboard its a 77'. does it say 90 hp on the cowling? cant find anything for a 90 hp. lots of other choices with that serial #.
J jay_61074 Seaman Apprentice Joined Jul 9, 2008 Messages 34 Jul 31, 2008 #6 Re: need some info mercury outboard yes its does say 90 hp on the couling it also says 900
L Laddies Banned Joined Sep 10, 2004 Messages 12,218 Jul 31, 2008 #7 Re: need some info mercury outboard Mercury has never built any 4 cyl 90 HP engines, they did build 850s that are 85 HP and 4 cyl in the 70s. If your engine is a 4 cyl with a large gearcase the it's a 1977, 850 by the serial number.
Re: need some info mercury outboard Mercury has never built any 4 cyl 90 HP engines, they did build 850s that are 85 HP and 4 cyl in the 70s. If your engine is a 4 cyl with a large gearcase the it's a 1977, 850 by the serial number.
