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 key maintenance components needed to perform the recommended 100-hour service on Mercury Verado inline-six outboards from 200 HP through 350 HP. This kit is designed for engines with serial numbers 2B144122 and below and includes the essential lubrication and filtration components required to maintain performance and reliability.. Routine service helps ensure proper engine lubrication, protects critical internal components, and maintains efficient fuel delivery. This maintenance kit simplifies the process by bundling the required oils