Quicksilver Premium Two-Stroke oil is formulated for added engine protection in extreme conditions including Optimax, DFI and higher horsepower applications.
Quicksilver Premium Plus Two Stroke Oil is ideal for use in larger 2 stroke outboards. Not to be used in ETEC outboards.
For use with all 2-cycle outboards, this premium plus version is better quality and lasts much longer. Not to be used in ETEC outboards.