Mercury – 300 Hour Maintenance Kit | FourStroke Service Package | Complete Engine Care Components | 8M0120837 Yamaha-F90A-2016 Helps maintain a secure connection

Helps maintain a secure connection at the control or engine-side linkage

Connects directly to SmartCraft for real-time data transfer

Whether you're doing a mid-season check or a full end-of-season oil swap

SmartCraft gateways

Mercury – 300 Hour Maintenance Kit | FourStroke Service Package | Complete Engine Care Components | 8M0120837 Yamaha-F90A-2016 Helps maintain a secure connectionMercury 8 9. 9 HP EFI 300 Hour Maintenance Kit FourStroke Service Package Complete Engine Care Components 8M0120837 Overview Theres a special kind of pride that comes from owning a small FourStroke Mercury outboard. These engines arent loud or flashytheyre quiet workhorses that faithfully push you across glassy coves, help you troll the shallows, or carry you to that tucked away spot only a few people know about. But even the most reliable outboard