This is your new topic about oil for your Mariner. Please - When hijacking a thread pick something close to your question. It helps us when moving things around. Read the Help Tip on top of the page.
Now that we got that out of the way - What Mariner are you asking about?
I'm assuming your engine is an older model 2-stroke. i mix my tanks 50:1 with Pennzoil Semi-synthetic 2 stroke.. 1/2 qt for a 6 gallon tank or 1 qt for a 12 gallon tank. or look on the back if you have a smaller tank.
