Want to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional oil analysis kits. Results are typically received in a few days via email. Shop now. This convenient kit includes 2 quarts of Mercury FC-W 25W-40 Synthetic Blend Marine Engine Oil a Genuine 35-8M0162831 Mercury oil filter This kit is intended for use with the following Mercury Four-Stroke Outboard Models: 25 HP - 2006-2017 30 HP - 2006-2017 The amount of oil included in this kit is adequate for most of the specifically noted Mercury outboard models. If your particular outboard requires additional oil, please be sure to purchase this separately. A technology specific 25W-40 marine oil formulated for the world's first and only supercharged and intercooled outboard engine. The unmatched torque and acceleration of the Mercury Verado eng