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Differences in BF225A blocks

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Seachaser5

New member
Around 2007 the BF225A blocks went from part#12000-ZY3-416ZA to 12000-ZY3-436ZA. Can anyone tell me how to identify the differences in these two blocks? I need a new/used one for mine and not sure what I have or how to be sure I get the right one. And what is physically different?
 
If you have the engine SN, Honda headquarters may be able to help you out.

American Honda Motor Company
Marine Division
Customer Relations Office
4900 Marconi Drive
Alpharetta, GA 30005-8847
Telephone (770) 497 6400
M-F 8:30 am-7:00 pm (Eastern Time
Zone)
 
chawk_man said:
If you have the engine SN, Honda headquarters may be able to help you out.

American Honda Motor Company
Marine Division
Customer Relations Office
4900 Marconi Drive
Alpharetta, GA 30005-8847
Telephone (770) 497 6400
M-F 8:30 am-7:00 pm (Eastern Time
Zone)
Click to expand...
I did talk to them and determined that my engine uses the 436ZA. contact with used listings showing either number can't seem to tell me how they decided what number theirs is.
 
I just bought a short block for a '04 225 from boats.net, the part number was superseded 3 times. The new block was different than the old but came with a crank drive gear and balancer assembly to work on older engines, I would call Boats.net they know there stuff.
 
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