Swift Question

Hey everyone.
My brother recently bought a swift, '94 I think, and he doesn't think it's the original motor. Now, I'm a honda guy, so even though I can work on the swift, I don't know much about it. So here's my question, where's the engine code so we can look up what engine it is?

it's located at the bottom of the engine below the dipstick and around the corner towards the right front wheel
sorry about the bad directions, but I hope it's clear enough

Thanks, dude!
The directions are fine. come monday I'll look it up and see if it is the stock motor or not. I think it is, but my brother still has his doubts. thanks again.