2015 Ranger RT188C I am listing my 2015 Ranger RT188C, I have owned this boat since new. This Ranger Boat is in great condition and is always stored indoors. The boat is still covered under factory warranty and the Mercury engine has an extended warranty that ends 2/16/2021. The Mercury Platinum plan will transfer to the next owner. The engine is a Mercury 90HP Four Stroke engine. If you would ...