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 150 EFI 4-Stroke 8M0094232. The Mercury 150 EFI 4-Stroke 100 Hour Service Maintenance Kit - 8M0094232 includes the essential components required to complete the recommended 100-hour maintenance on Mercury 150 HP EFI four-stroke outboard engines. This kit provides the necessary oils, filters, and seals required to maintain proper lubrication, protect internal components, and keep your engine performing reliably.. Routine 100-hour service is critical for maintaining engine performance and longevity. By replacing engine oil, filters, and gearcase seals at the recommended interval, this maintenance kit helps protect the power