Other tips Boat Prop Warehouse gave me:
For my 4 stroke:
marine oil 10W-30 Mercury or Quicksilver (mineral - not synthetic) or
Quicksilver / Mercury Marine 25W-40 Oil
Spark plug - NGK DCPR6E .033 gap: suppressor (resistor)
Non ethanol gas; 91 octane Do not use Stabil in gas.
For my 4 stroke:
marine oil 10W-30 Mercury or Quicksilver (mineral - not synthetic) or
Quicksilver / Mercury Marine 25W-40 Oil
Spark plug - NGK DCPR6E .033 gap: suppressor (resistor)
Non ethanol gas; 91 octane Do not use Stabil in gas.