Description:

Center insert resists tearing to ensure performance.. The Blades Number of Impeller: 6; External Impeller Overall Diameter:50.2mm / 1.98 inch; Internal Shaft Diameter: 14.8mm / 0.58 inch , Height:18mm / 0.71 inch. Impeller fit for Yamaha 2-stroke outboard motors 20 HP 2-cylinders 1996-1997 all models, 25 HP 2-cylinders 1988-2002 all models. Impeller elastomers provide improved flexibility across Broad temperature ranges.. Designed for durability to provide higher flow rates and cooling flow to protect your engine..