The Michigan Match Propeller 13 1/4 X 17 rotates in the right direction with three-blade Aluminum. It has a long-lasting black powder coat finish and performs admirably. This Michigan Wheel has Rubber bushings on the propeller that were made to spin freely, reducing the possibility of lesser damage and providing a better primary propeller at a weekend-saving cost. It is a great replacement with YAMAHA 50 - 130 HP - 4 1/4" Gearcase and OEM Yamaha Semi-Cleaver Blade Geometry. Key Features: It works well with outboards and sterndrives NAVAL brass spindle It fits with YAMAHA 50 - 130 HP - 4 1/4" GEARCASE Long-lasting black powder coat finish Rotates in a right-hand direction Specifications: Brand: Michigan Match SKU: 101033 Material: Aluminum Diameter: 13 1/4 Weight: 8.00 lbs Length (inch) : 14.50 Width (inch) : 7.50 inch Number of Splines: 15 Tooth Spline Number of Blades: 3 Item color: Black Bushing: Rubber Hub 22 ft-25 ft All LoadOEM-equivalent blade geometry.Engine ApplicationYamaha 50-130 Horsepower 41/4" Gearcase T50 hp 1996 & newer; T60 hp 2003 & newer; 60 hp (Includes C60/E60/P60) 1992-2005; F70 (4-Stroke) 2010 & newer; 70 hp 1984 & newer; F75 (4-Stroke) 2003 & newer; 5 hp (Includes C75/E75/P75) 1994-99; 80 hp 1997; F80 (4-Stroke) 1999-2002; 85 hp 1991-97; F90 (4-Stroke) 1999 & newer; 90 hp (Includes C90) 1984 & newer, F100 (4-Stoke) 1999-2002; F115 hp (4-Stoke) 2000 & newer; 115 hp (Includes C115/P115) 1984 & newer; 130 hp 1984-2003 Attaching Hardware:H68/H69Attaching HardwareH68/H69H68 Flat washer: Quicksilver: 859907 Nut (castle): Sierra: 18-3732 Quicksilver: NLA Spacer washer (aft, splined): Sierra: 18-4274 Spacer, washer, nut & pin kit: Sierra: 18-3781 Michigan Wheel: 990766 Thrust washer (forward): Michigan Wheel: 990769 H69 Cotter pin (10/pack): Sierra: 18-3735 Flat washer: Sierra: NLA Quicksilver: 887972 Nut: Sierra: 18-3726 Spacer washer (aft): Sierra: 18-4274 Spacer, washer, nut & pin kit: Sierra: 18-3782 Thrust washer (forward): Sierra: 18-73918 Michigan Wheel: 990770