The days of 3,000-mile oil changes are gone. Royal Purple scientists and engineers devote a considerable amount of time and resources improving the .
Extend Your Oil Change Intervals with Royal Purple. Our API-Licensed Motor Oil is backed by the Royal Purple 1 YEAR / 1 OIL CHANGE Pledge. What does that .
The Garage Professor takes to the streets to find out what you know about oil change intervals, and sets the record straight.
Advanced riders know that safety starts with proper motorcycle maintenance. Protect your bike with Royal Purple's Max-Cycle Synthetic Engine Oil.
This struck me as a very long interval, considering I changed my oil every 3k – 5k miles in my vehicles. Does this oil. . Royal Purple 10W30 HPS (High Performance Street) lab test results. Zinc 1774. . 3k on the motorcycle.
the leading synthetic and mineral oil.. How often do I change Royal PurpleÂ® in my motorcycle?. three standard 3,000 mile oil and filter change intervals.
How often should I change Royal Purple in my passenger car?. under manufacturer's warranty, we recommend following your manufacturers recommended oil change interval.. Is Royal Purple OK for use on a motorcycle with a wet clutch?
5,000 mile oil and filter change intervals until the engine oiling system is clean and free of deposits. How often do I change Royal PurpleÂ® in my motorcycle?