Home › Forum › Ask A Member › TC-W3 question › Re: TC-W3 question
July 29, 2018 at 5:52 pm
#80322
The TC-W3, which means two cycle -water cooled, is a testing lab’s certification that the oil meets their quality standards, as do all oils so marked. Oil for snowmobiles, which are water-cooled, should be fine in an outboard motor. JMHO