HMTM154 MARINE TWO STROKE OIL a premium quality, specially formulated, outboard two stroke oil. HMTM154 MARINE TWO STROKE OIL is manufactured from a special blend of highly refined mineral oils balanced proportionately with synthetic based ashless additives to provide superior protection and extend engine life. It exceeds the requirements of the widely quoted National Marine Manufacturers Association NMMA. NMMA TC-W3, API TD. Always refer to the manufacturers handbook before use. Performance levels can be subject to change. Technical Datasheets available upon request.