Verifying motor 225 motor

[DX225]

Hello all....are there any # on the 225 engine to verify it is a 225 and not a 200.......I am looking at buying a motor but the guy isnt sure if it was off a 200 or 225.......Jim

[J.D.]

Should say "225 CM3" or "196 CM3" somewhere on the cylinder/head. Good luck