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. The Mercury Verado L6 100 Hour Service Maintenance Kit includes the essential components required to complete the recommended 100-hour service on Mercury Verado inline-six outboards from 200 HP through 350 HP. Designed for engines with serial numbers 2B144123 and above, this maintenance kit provides the oils, filters, and seals needed to keep your Verado engine operating at peak performance.. Routine 100-hour maintenance helps maintain proper lubrication, protects internal engine components, and ensures efficient fuel filtration. By combining the required oils, filters, and seals into a single kit, this service