We get glowing reports of smooth, cool operation with wet clutch bikes. It is referred to repeatedly in the technical literature. Your new car warranty will not be effected by its use. We do recommend that you run your new car between 5,000-10,000 miles to wear in and seat the rings before you start using Tufoil. In spite of what you are told by the manufacturer, it is still wise to break in the engine carefully before using friction and wear modifier oils.
Many old engines show signs of oil burning.
Tufoil can help in some cases. It frees up partially sticking piston rings. Puff of blue smoke when starting in the morning or after sitting a while. This is usually caused by the deterioration or stiffening of the oil seals on valve stems. It costs too much.