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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3863
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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Just need to know exactly what engine I have. (serial

Customer Question

just need to know exactly what engine I have. (serial number) Hull number MXPB16MRE303?
JA: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so the Marine Mechanic can help you best.
Customer: Just need the serial number to my MCM mercruiser engine
JA: Is there anything else the Marine Mechanic should be aware of?
Customer: Nope
Submitted: 3 months ago.
Category: Boat
Customer: replied 3 months ago.
Maxim 2003 2500 SE
Expert:  Charles replied 3 months ago.

Hello, my name is***** will assist you.

Expert:  Charles replied 3 months ago.

Is the flame arrestor missing from the engine?

There is really no way to tell with the boats serial number.

Expert:  Charles replied 3 months ago.

Is your engine a V6 or V8?

Customer: replied 3 months ago.
V8 model MCM 5.7 350 Ci thunderbolt ignition. bravo model. When I go to ask for parts, they always ask for the serial number of the engine, it is no longer readable....
Expert:  Charles replied 3 months ago.

Is there any parts that you are looking for?

the only other info that you could give them is if it is TBI EFI or MPI.

Customer: replied 3 months ago.
It has a 2 barrel carb. single coil electronic ignition.... lol. old school, may still run after a EMP
Expert:  Charles replied 3 months ago.

Can still read the serial number from the drive or transom plate?

Have you looked by the starter, there is also a tag there with the number on it.

Customer: replied 3 months ago.
I will look tomorrow...
Customer: replied 3 months ago.
the riser plate is gone...
Expert:  Charles replied 3 months ago.

You would basically need to stand on your hear to get down next to the starter where the number sold be. Provided this is an original block.

There are not many options on the 2bbl engine. I can look any parts up that you may need.

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