Michigan Wheel High Performance Trim Tab is designed for use with Yamaha 4-1/4" gearcase. When using Michigan Wheel Apollo or Ballistic propellers, this trim tab is required. Vendor Part Number: 990341Applications: Yamaha Outboards: T50, 1996 & Newer; T60, 2003 & Newer; 60 HP, 1992-2005; F70 4-Stroke, 1984 & Newer; 70 HP, 1984 & Newer; F75 4-Stroke, 2003 & Newer; 75 HP, 1994-1999; 80 HP, 1997; F80 4-Stroke, 1999-2002; 85 HP, 1991-1997; F90 4-Stroke, 1999 & Newer; 90 HP, 1984 & Newer; F100 4-Stroke, 1999-2002; F115 4-Stroke, 2000 & Newer; 115 HP, 1984 & Newer; 130 HP, 1984-2000. Fits Yamaha 4-1/4"" gearcase | Michigan Wheel High Performance Trim Tab For Yamaha Engines