The Drive Adapter makes it easy to install the XHS II Hub Kit into the splined aft area of some outboard motors. The Drive Adapter for 30-70 HP XHS II Hub Kits 113, 114, 116, and 117, when combined with the splined aft adapter, converts a motor with a 13 spline input shaft to take an 11/16?? diameter output shaft. WARNING: CA PROPOSITION 65 Key features: Splined Aft Adapter for Select Nissan and Toyota Motors Compatible with the following XHS II Hub Kits: 113 Honda Outboard Motors 3-1/4?? Gearcase 35-60 HP Nissan and Tohatsu Outboard Motors BFT60 2014 and later 114 Outboard Motors 40-75 HP Gearcase 3-1/4?? 13 Spline Mercury/Mariner Outboard Motors 40-70 HP Gearcase 3-1/4?? 13 Spline Choose motors with less than 40 horsepower. Bigfoot 25 HP 4-Stroke 1994-2002 30 HP 2-Stroke 1999-2005 30 HP 4-Stroke 1994 and newer 30 HP Sea Pro/Marathon 1984-1989 35 HP 116 Nissan and Tohatsu Outboard Motors 13 Spline Motors (35-60 HP) 35B 1984 and earlier MFS40 2015 and later TLDI; 40C; M40D; MD40) 1984 and later 50 HP (excluding 50C) 1992 and after MFS50 2015 and later 117 Yamaha Outboard Motors 3-1/2?? Gearcase 13 Spline 40-60 HP Choose motors with less than 40 horsepower. T25 HP 2010 and after 2001-2005 F30 4-Stroke; 2015-Newer Specifications: SKU: 991227 UPC: 014984013079 Weight: 1.00 LBS