Please contact our Customer Support Services at 844-345-4BRP (4277). For fastest service, please have the serial number and model number of your motor available for the representative who answers your call. Or email [email protected]. Evinrude Model Year Guide. Model Number HP Year A(#3000-7200) 3.5 1915-22 A(50000UP) 2 1915-28 A(TWIN) 3 1923 AA 4 1916-17 B(#5000-7200) 3.5 1915-22. Find the right parts for your Mercury® or MerCruiser® engine here. Search by serial number to see detailed engine diagrams and part numbers, then contact your local authorized Mercury Marine dealer to place your order. You can also browse by model, but we strongly recommend using your serial number to ensure you find the correct parts. How to Decode a Suzuki Outboard Serial Number. The form of the serial number is a five-digit number followed by a hyphen, then a six-digit number. On the 1977 through 1979 models, the part after the hyphen starts with a letter, followed by five numbers.Difficulty:Moderately EasyInstructions Check the five-digit prefix of the serial number.
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.
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.
![]() Other Makes
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.
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Engine Type Outboard
Repair Difficulty Easy
Mercury Outboards
The serial number tag is located on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located between the thumb screws above the steering tube.
Finding Your Mercury Serial Number
Mariner Outboards
The serial number tag is located on the top outside edge of the CLAMP BRACKET; or, on top of the SWIVEL BRACKET (port or starboard).
Finding Your Mariner Serial Number
MerCruiser
Engines: The serial number tag is located near the STARTER, by the flywheel housing; or, on the ROCKER ARM or FLAME ARRESTOR COVER.
Transom plates: The serial number tag is located on the INNER TRANSOM PLATE inside the boat; or, on the UPPER SWIVEL PIN.
Sterndrives: The serial number tag is located on the UPPER DRIVE SHAFT HOUSING (starboard side or on the back of the housing).
Johnson/Evinrude
The model number tag is located on the top outside edge of the CLAMP BRACKET; or, on top of the SWIVEL BRACKET (port or starboard).
OMC
The model number tag is located on the ROCKER ARM cover. Evinrude Outboard Motor Serial Number Decoder
Force Casting Number
The cast number is located under the ignition plate on the starboard side of the block, beside the top bypass cover. The cast number will be either a six-digit number ending in 010 or a number starting with either 800 or 818, ending with C, then a number. For example: 800-153-C6. Comments are closed.
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