Mercruiser Engines: The serial number tag is located near the STARTER, by the flywheel housing; or, on the ROCKER ARM or FLAME ARRESTOR COVER. Mercruiser Transom Assemblies: The serial number tag is located on the INNER TRANSOM PLATE inside the boat; or, on the UPPER SWIVEL PIN.
How do you read a Mercruiser serial number?
Mercruiser sterndrive engine serial numbers are formatted as follows—0W555555. The first character is the number 0, not the capital letter O. Serial numbers that do not follow this format, rather have seven numerical digits, were manufactured before 1980.
Where is the serial number on Mercury boat motor?
For Mercury Outboard, your serial number will be located on a rectangular tag on the starboard (right) side of your motor on the transom mount. In engines 8HP and higher, the ESN is on starboard (right) side – halfway down the transom assembly, just below the engine’s powerhead.
What model is my Mercury outboard by serial number?
The sequence of letters and numbers (or just numbers) at the top of the identification tag or instruction plate is your Mercury outboard’s serial number. On newer Mercury outboards, the tag or plate will also show the motor’s year of manufacture below the serial number.
Do inboard boat motors have serial numbers?
The serial number tag is located near the starter, by the flywheel housing; or, on the rocker arm or flame arrestor cover. If the boat was registered correctly and is an Inboard or I/O drive, the registration will also include your motor serial number and drive serial number.
How can you tell the difference between Gen 1 and Gen 2 Alpha?
The Alpha Gen II upper and lower housings are fastened together with two through bolts on either side of the drive along with the front and rear bolts, while the Gen 1 drives use one stud visible on either side. Alpha Ones have two studs under the ventilation plate just above the prop.
What year is Mercury serial number?
Every Mercury outboard has a serial number label located on the transom bracket area of the engine. The latest serial number labels display a 2-digit number in a box at the lower right portion of the label. These digits coincide with the last two digits of the year in which the outboard was manufactured.
How do I identify a MerCruiser engine?
The model of Mercruiser engine can be determined by looking at the last letters of the “engine block code” that is stamped in all complete longblocks by General Motors at the time of assembly. If the serial number, and/or model decals are missing, the engine code will help to determine the engine model.
Where is the serial number located on a boat motor?
On the side of your motor you’ll find a plate. This tells you the make, model and serial number. You’ll only need the serial number if it’s an outboard motor. Different model plates have the same information but may vary in layout.
How do I identify a boat motor?
Go to the motor and look on the motor’s swivel bracket for an embossed, metalized tag or plate that has the name of the motor’s manufacturer boldly stamped at its top. This manufacturer’s tag also shows the year the motor was built, or the model year on all motors except Honda.
How many digits is a boat motor serial number?
Since November 1, 1972, federal law requires all boats, including inflatables like rafts, IKs and SUP boards, manufactured in, or imported into, the US to have a unique 12-character identifier called the Hull Identification Number (HIN). This is often referred to as the “boat serial number” or “boat ID number”.
How do I find out what year my boat motor is?
The serial number can help you determine the year of your engine. Your serial number or model number can be found on the engine’s mid-section. Often this plate is also marked with the engine’s year too.
What year did the Alpha Gen 2 come out?
What Is a Boat Engine Coupler? Mercury produced the Alpha One, Bravo One, Bravo Two, and Bravo Three outdrives beginning in 1972. Later known as the Generation I Alpha One, this outdrive was replaced by the Alpha One Generation II outdrive for the 1984 model year.
What is a MerCruiser Alpha One?
Available for single and twin engine applications, the Alpha One’s efficient hydrodynamic profile produces very little drag, which means better boat performance and fuel economy. Designed for boats capable of up to 65 mph and gas engines delivering up to 300hp and diesel engines up to 150hp.
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