Quart. Provides superior protection against corrosion, friction, and gear case wear. Marine specific inhibitors and emulsifiers deliver unequalled protection against corrosion and lubricant breakdown caused by water intrusion. Recommended for use in Honda, Mercury, Suzuki, Yamaha, and Evinrude/Johnson outboard models made from 1973 to present and for Mercruiser, Volvo, and OMC sterndrives made from 1978 to present.