Up for sale?Is this vintage the hand lapped engine made in japan. By M.R.C ENYA CO INC PLANE MOTOR. Does have its original paperwork and box?

The one side is clean.The other side is got that foam padding on it.I scraped off as much as I could get off the other side's in good shape.It piston, does move when you turn the prop shaft... So please look at all photographs.If you have any questions, please ask.Would make a great addition to your collection or to use for your plane?Thank you for viewing...