2012 900xp engine

I am putting feelers out there for any interest in a 2012 rzr 900xp engine with 1900 miles it smokes some, but runs great. Not sure what the problem is, but I have changed the oil regularly and have never had dirt in the intake when I changed the air filter. Not sure what it is worth make me an offer and I can send pics of the rzr and a video of it running if you want.