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. Yamaha 100 Hour Service Kit F115 20W-40. The Yamaha F115 100 Hour Service Maintenance Kit provides all essential components required to complete scheduled maintenance on Yamaha F115 outboards (2000-2005). This convenient kit includes Yamalube 20W-40 engine oil, filtration components, spark plugs, and key service parts to help maintain reliable performance and long-term engine durability.. Routine 100-hour service helps ensure proper lubrication, clean fuel delivery, and consistent ignition performance. Using genuine Yamaha components helps protect your outboard in both freshwater and saltwater environments.. What's Included in This Kit. 1 x Yamalube