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3. Yamaha Serial Lookup Model Year

This Yamaha outboard year model chart will only work for Asia Pacific distributed engines. If you have a Yamaha engine that has been bought in from America or Europe direct the parts will still be the same but your model and year model code will be different. You will have to use your own knowledge of your engine to select the appropriate year.For Asia Pacific engines your year model code is found on the bottom right hand corner of your serial number decal. It will be a single letter as per the diagram below which can then be matched to the chart.

Mercury Outboard Serial & Model Number Guide Knowing the features and year of your Mercury outboard can help with ordering Mercury outboard parts and Mercury outboard repair manuals. You can find your Mercury outboard serial number and model number on an ID tag on the mounting bracket, or in some cases on an engine block freeze plug.

• Yamaha outboards manufactured between 1984-2004: you must first locate the Model Number located on a label on the outboard’s transom bracket. The top number is the model number. What you are looking for is the last letter in that model number.
• A Primary Identification Number (PID number) is the serial number of the engine. It can provide model type, drive shaft length and production number. The PID number can be found on the port side-mounting bracket of your Yamaha outboard engine. It will be printed on a rectangular sticker that will have 5-fields.

Note: The letters will repeat in the below chart so use your judgement as to the correct year, ie: the engine in the picture is a 2003 model and not a 1982 model.

1973	1974	1975	1976	1977	1978	1979	1980	1981	1982
Z	Y	X	W	V	U	T	S	R	Q
1983	1984	1985	1986	1987	1988	1989	1990	1991	1992
P	L	K	J	H	G	F	D	C	B
1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
A	Z	Y	X	W	V	U	T	S	R
2003	2004	2005	2006	2007	2008	2009	2010	2011	2012
Q	P	N	K	J	H	G	F	D	C
2013	2014
B	A

Over the years, manufacturers have changed where this information is located on an outboard. I'll try to be as complete as possible below, while keeping this reasonably simple.

Mercury

On older Mercury outboards, going back into the 50's and possibly even earlier, the serial number would generally be viewed at the leading edge of the swivel bracket, as seen in the image below. If for any reason that number may have been changed, removed, or can no longer be read, every Mercury had a freeze plug, which is on the powerhead and about the size of a quarter. That freeze plug will have a serial number on it. So long as you know your HP and the serial number, you can identify the year of your outboard.

On later model Mercury engines, the serial number was located on the swivel bracket, as shown in the picture below. First, these would be on a metal tag and stamped with the numbers. Later, the numbers were printed on a vinyl tag. Unfortunately, you'll often find that the vinyl tag has washed out. If you can no longer read the number on the tag, you’ll want to find that freeze plug on the powerhead in order to identify the outboard.

Johnson & Evinrude

Johnson and Evinrude outboards both work with model numbers for identification. In most cases, the model number is located on either the transom or swivel bracket. It can usually be found on a either a metal plate on earlier models or a sticker on later models. Once they switched over to the tags, this was another number that often washed out and could no longer be read. In this case, the powerhead freeze plug can be located and will have the serial number. The serial number itself won't do you much good, but an authorized dealer can use the serial number to match the engine up with a model number again.

Chrysler Outboards

Chrysler outboards work by a model number. There are 2 locations where you may find this number. Early Chrysler models stamped it on a metal plate and it was placed under the carburetors, inside the lower cowling, or pan. Later models used the same plate, but you'd find it on the side of the transom bracket.

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Force outboards used model numbers on vinyl tags, many of which washed out. If the number washed out, you may find a small sticker either on the cylinder head cover or the starter bracket. If that fails, all is not lost. There are numbers stamped on your carburetor. Take those numbers and google them or email us. Those numbers will usually nail down a year and HP for your engine.

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Other Makes

Yamaha Serial Lookup Model Year

Nissan, Tohatsu, Suzuki, Yamaha, and Yamaha Mariner use both model and serial number information. That tag can almost always be found on the side of your transom bracket, as shown below.