I bought a boat with a 2000 150hp Johnson. Because the motor is 15 years old, should I replace the VRO2 pump and the associated hosing/clamps to a new one and keep the old one as a spare. This way I know I would have a new pump running, with new o rings, diaphragms, etc. Do oil tank maintenance, primer bulbs, etc. Eventhough the motor is running ok, I don't know the internal condition of this critical pump, if its on its last leg or not. I'm okay paying 400.0 for a pump every 4 or 5 years, instead of blowing the powerhead. Any feedback? Is this a good idea?

