My repowered Kohler Commands have them, but they came that way on the engines.
I suppose with ethanol fuels engines run leaner and hotter, but oil is getting better.
You may be opening your self up for leaks and other issues that you wouldnt have if you just left it as its been for 20 years.
I suppose with ethanol fuels engines run leaner and hotter, but oil is getting better.
You may be opening your self up for leaks and other issues that you wouldnt have if you just left it as its been for 20 years.
