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 75-115HP 2.1L 8M0097854. The Mercury 75-115HP 2.1L 100 Hour Service Maintenance Kit - 8M0097854 provides the essential components