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 includes the essential maintenance components required to complete 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 provides the oils, filters, and seals needed to keep your engine operating at peak performance.. Routine maintenance helps ensure proper lubrication, protects internal engine components, and maintains clean fuel delivery. By combining engine oil, filtration components, gear lube, and seals into a single kit,