I AM LOOKING AT PURCHASING A 2000 20' MOTION MARINE BOAT WITH A 130HP HONDA. THE BOAT IS A WELDED ALUM. AND IS APPROX 2500#. IS THIS ADEQUATE HP? THE HOUR METER SAYS 312HRS THIS SEEMS HIGH, SHOULD I BE CONCERNED?? THE MOTOR SEEMS TO RUN FINE. HAVE THE HONDA,S BEEN AS GOOD AS THE RUMOURS ON THE...