Right Prop for Johnson KS15?

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  • September 28, 2020 at 11:41 am #217470
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      I am cleaning up a KS15 using some parts from a KA10 parts motor. One engine had a prop marked “K153” and the other “9 1/2 x 9”. Both are 3 bladed, but appear to be opposite rotation. I also have a 2 bladed prop that I think was also on a K marked “9 1/2 x 9” that appears to be the same rotation as the 3 bladed “9 1/2 x 9.” Are any of these correct for the KS15? Would the three bladed props cool the engine better than the two bladed? Thanks.

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