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Originally Posted by dougs64
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Thank You for the links. My thougts about diesel oils in gasoline engines comes from here:
- Frequently Asked Questions "The high power-to-displacement ratio of a motorcycle engine means rod and main bearings are subjected to loads that are not normally found in passenger car engines. The valve train is also highly loaded, and requires extreme pressure boundary lubrication. The same can be said about gears in the transmission, which are normally lubricated by engine oil. Oil additives containing phosphorus protect these highly loaded extreme pressure areas (in both gasoline and diesel engines). Because diesel engines have higher loading of components, more of the phosphorus-containing additive is present than in typical passenger car oils. And with advanced catalyst systems for gasoline engines, the phosphorus content has been declining in passenger car oils." So they claim to have more protection for the valvetrain because of higher levels of phosphorous-containing additive. I used dieseloils several years in my and my wife's bikes without problems. I got similar answer from finnish oilcompany "Neste" about dieseloils' better additives when you don't have to care about catalysators.
