Okay ill stick to finding 10w30. Do you guys think outboard oil can be used in inboard engines? I found 10w30 but it states on the bottle that it's for use in outboard engines. It's the quicksilver 4 stroke...
Hi guys new here. So its winterization time is approaching and Im looking to service my boat, meaning change fluids etc. The problem Im facing is what oil should I use for my boat? Its an 87 Mercruiser 2.5L 120HP inboard/outboard engine, has a cast iron block. GM Chevy block. The oil cap says...