My understanding is that the headers that come on the 525efi have a little different bolt pattern. Does that mean that if I pull the engine than those headers will not work on a regular motor? Headers have to stay with that motor?

Yep.I might know someone that will buy them from you.FedEx will be replacing mine.

Rich. I was thinking of building a back up motor to replace my 525. I was just wondering if I would have to buy a different set of headers in case I had to use a back up motor.

Great thread on 525 differences

http://www.offshoreonly.com/forums/s...d.php?t=126797

that is bascially saying that I will have to have other headers for my back uo motor.

i have 2 sets of cmi with 4.5in pipes set up for bravo, and one set of taller risors and long custom pipes for a 3rd center engine, available cheap if interested.

I've been told they won't work except on the 525's.I can help you with the motor and possible the cmi's too.572 700+hp and the cmi's for $15000.