Mechanics Special 2015 model year. 25HP Indirect injection, Natural Aspiration. Test ran 12-22-17: Running Re-parable/Re-buildable Core with 45 psi oil pressure. Starts rough, smoked a bunch but got better. Getting air back out intake. Getting oil out of exhaust and intake. Does start and run but may also have a lower end noise and seems to be only running on two cylinders. See it run yourself on video. Gear house and intake cover is broken. Selling as is. As Pictured!! O/H kits available. Does not come with starter (slave plate has slight bend where starter would mount).