A friend of mine has a 1971 6hp evinrude for sale. It has a new waterpump kit, clutch dog, tune-up kit, carb kit, and thermostat. Just greased all the fittings. New gearcase oil. He is selling it with the fuel tank and the connection hose. He is willing to demo this motor on your boat. Asking $525. If you are intrested pm me and I will give you his email.