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.Mercury 100 Hour Service Kit Verado L6 8M0097858. The Mercury Verado L6 100 Hour Service Kit - 8M0097858 provides the essential maintenance components required to perform the recommended 100-hour service on Mercury Verado inline-six outboards from 200 HP through 350 HP. Designed for engines with serial numbers 2B144122 and below, this kit includes the key lubrication and filtration components needed to keep your Verado operating smoothly and efficiently.. Routine maintenance is critical for protecting high-performance Verado engines. Fresh engine oil maintains proper lubrication for internal components, while new filters and seals ensure clean fuel d