This is a how-to guide on replacing the propeller on a 9.9hp, 15hp or 20hp Mercury FourStroke Outboards. In this video I go over the difference between Aluminum and Stainless props along with showing how to remove and replace your propeller.
UPDATE: After taking the boat out for a test with the 10p Stainless prop, it worked great! We picked up 200-300 rpm over the aluminum and gained 2-4 mph. The RPMs sit around 6100-6200 right now so there is still room for adjustments.
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