I am purchasing a 2007 Proline 26 ft Super sport it has twin suzuki 225. The first question is how do I check the hours on the motors. I have heard that when you turn on the ignition the first 1000rpms indicates 100 hours is that correct. Next thing is the starboard motor tach has a red light on the fare right bottom of the tach above it shows REV. Can someone tell me what that could be? Thanks