Yamaha - 90 2-Stroke 100 Hour Service Maintenance Kit - 2000 This Yamaha 100-hour service maintenance kit services the following Yamaha outboard models: 90 2-Stroke (2000) Kit Includes: 1 x 61N-24563-10-00 - Yamaha - Primary Fuel Filter 2 x 90430-08003-00 - Yamaha - Outboard Lower Unit Drain Gasket 1 x ACC-GEARL-UB-QT - Yamaha - Yamalube Marine Gear Case Lube Oil - 32 oz. 3 x NGK BR8HS10 Spark Plugs