2 products
An air-cooled two-stroke runs far hotter than a water-cooled outboard, and the oils are formulated for those different temperatures. TCW-III oils are ashless and built for the cooler combustion of a water-cooled engine, and critically they carry rust and corrosion protection for storage — an outboard spends much of its life not running, in humid air, with internal surfaces exposed. That is the property a garden two-stroke oil does not have.
An outboard runs at sustained high load and high rpm in a corrosive environment, which is not the duty cycle a car oil is designed around. NMMA FC-W addresses exactly that: shear stability at sustained rpm, foam resistance in a marine installation, and corrosion protection between uses. A car oil in an outboard shears down and offers no meaningful corrosion protection during storage.
No. An air-cooled two-stroke runs far hotter than a water-cooled outboard and the oils are formulated for those different temperatures. Cyclon OUTBOARD 2T exceeds NMMA TCW-III, is ashless and built for the cooler combustion of a water-cooled engine, and carries rust and corrosion protection for storage, which matters because an outboard spends much of its life not running in humid air. It meets the requirements of Evinrude, Johnson, Yamaha, Tohatsu and Mariner Mercury.
It is the wrong product. An outboard runs at sustained high load and high rpm in a corrosive environment, which is not the duty a car oil is designed around. Cyclon OUTBOARD 4T exceeds NMMA FC-W, which addresses exactly that: shear stability at sustained rpm, foam resistance in a marine installation, and corrosion protection between uses. A car oil shears down in this service and gives no meaningful corrosion protection during storage.
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