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 with Cooling VF115 SHO 5W-30 Synthetic. The Yamaha VF115 SHO 100 Hour Service Maintenance Kit with Cooling is a complete maintenance solution designed for Yamaha VF115 SHO outboards. Featuring full synthetic Yamalube 5W-30 engine oil and a full set of service components, this kit supports optimal engine performance, protection, and cooling system reliability.. This kit includes a water pump repair kit, making it ideal for maintaining proper cooling flow and preventing overheating-one of the most critical factors in long-term outboard durability.. What's Included in This Kit. 1 x Yamalube 5W-30 Full Synthetic 4M FC-W Engin