Can I use the X-mart 2 cycle oils instead of a major brand(Mercury/Evinrude/Johnson) oils?
Yes, but it is recommended that you do not. All oils bought today will meet a minimum TC-W3 requirement set by the NMMA (National Marine Manufacturers Association). However, although all oils will meet these requirements, not all will exceed them. Only name brand oils will have the correct amount of additives to keep the engine from building up excessive carbon, which is eventually the death of an outboard engine. Our service department sees this excessive carbon build up when an engine is torn down for overhaul. Engine builders design, build and test their products using a specific oil formula. Although engine builders do not say in the engine manual that you must use their oil , they will say that a TC-W3 rated oil should be used and recommend their oil. We strongly recommend a brand name oil.
