Tarmond Outboard TC-W3 fully synthetic biodegradable two-cycle engine oils. It provides outstanding detergency in outboard water-cooled two-cycle engines and excellent rust protection during extended engine storage periods. As an ashless motor oil, Tarmond Outboard TC-W3 does not contribute to preignition or spark plug fouling. Extensive field tests and service experience in all major outboard engines have proven Tarmond Outboard TC-W3’s special additive package to be a superior two-cycle engine oil.