Royal Purple 2-Cycle TCW III is recommended for use in both pre-mixed and oil injected gasoline two-cycle engines in outboard motors, motorcycles, jet skis, chain saws, etc.  For cold weather oil-injected applications, Royal Purple recommends its Snow 2-C.  Royal Purple 2-Cycle TCW III is a high performance engine oil that improves performance and reduces wear in both standard and high performance two-cycle gasoline engines.  Royal Purple 2-Cycle TCW III has synthetic solvency that keeps spark plugs and exhaust ports clean for maximum engine efficiency.  This engine cl ...

Royal Purple Max-Cycle® is specifically formulated to significantly improve motorcycle engine (and transmission) performance. It's recommended for use in both air-cooled and liquid-cooled 4-cycle engines and it's compatible with wet-clutch transmissions.  Formulated with select synthetic base oils and Royal Purple's proprietary Synerlec® additive technology, Royal Purples Synethetic Max Cycle provides unparalleled film strength that is up to 400 percent stronger than the leading synthetic and mineral oils. Its shear stability and oxidation resistance promote greater performan ...

Royal Purple full synthetic racing motor oils are recommended for use in various racing applications.  Royal Purple XPR extreme performance and racing motor engine oils are extremely popular in all forms of motor sports, from NASCAR and NHRA to the World of Outlaws and the Bonneville Salt Flats.  Professional engine builders and race teams have cited increased horsepower and longer engine life with the use of Royal Purple.  Royal Purple® Racing Oils gain their performance advantages through Royal Purple?s proprietary Synerlec additive technology.  Royal Purple Raci ...