Michigan wheel model number 101031 with a NAVAL brass spindle and a rubber-cushioned hub that absorbs impact and Shifting gears causes a lot of tension. It improved powder coating and beefier bushing. This propeller replaces OEM Yamaha Semi-Cleaver Blade Geometry and Yamaha "K" Series Propellers. It was made from aluminum and weighed about 8.00 lbs. Typically rotates in the right-hand direction with the help of 3 blades. Ski boats, inflatables, workboats, offshore singles, aluminum consoles, walleye boats, pontoons, family cruisers, and houseboats are all recommended boat applications. Warning: This product may contain materials that are prohibited by California Proposition 65. Key Features: Replaces OEM Yamaha Semi-Cleaver Blade Geometry and Yamaha "K" Series Propellers Rotates in the right-hand direction with the help of 3 blades. Specifications: Brand: Michigan Wheel SKU: 101031 Weight: 8.00 lbs Material: Aluminum Pitch: 13 Number of Blades: 3 Item Color: Black Diameter: 13-5/8 Number of Splines: 15 Tooth Spline 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