Per the manufacturer, they recommend that you use Maruyama non-detergent oil. Please let us know if you have any further questions or concerns.
The threading on Maruyama MSD41 Piston Pump is NPT threading.
We recommed contacting the manufacturer, Maruyama, to find out the compatability. They can be reached at (940) 383-7400.
Per the manufacturer, the Maruyama MSD41 Piston Pump has a regulator.
The Maruyama MSD41 Piston Pump requires at least a 4 horsepower engine to function. So if you are only using a 1.7 horsepower engine, then the pump would not work properly.