OK now that it comes to secrets, here goes!
In a big blender, 6 ripe bananna peels, one cup of honey, 2 qts Jack Daniels, 4 ripe figs, one lb Hersyeys light chocolate, and 2 tins of 3 & 1 Oil.
Blend for 1 to 2 min, strain, and mix with your old Harley oil you just drained after 1500 miles, (hot) and shake it up.
Add to crankcase as usual, don't forget to open and eat the old filter elements, as they are high in vitimins and tasty!
Sandals (size 11)