Can I use a dynamometer test to keep used boat & motor resale prices higher?
Sure. Many marine dealer owners used the dyno readings on an engine to show a perspective buyer the results. If the motor (1/2 the cost of the boat generally) is within the operating specifications, you can demand a premium for the boat and motor, assuming boat appearance and other conditions are acceptable. Conversely, poor dyno readings may indicate that your resale price should be lower. But if you tested the used boat and motor on trade-in, it should result in a resale price still above your trade-in allowance.