Mellow Yellow 1806V Posted July 3, 2016 Report Share Posted July 3, 2016 This prop came on my 1806V with a 90hp 2 stroke yamaha. I believe my engine is over propped and have been trying to figure out what prop this is so I can get it dialed in. Anybody have any info on this prop? The only markings or engravings on it are on the inside of it. They read 20064-18. I'm assuming it's an 18 pitch but would really like to know more about it. Thanks in advance Link to comment Share on other sites More sharing options...
JerryM Posted July 10, 2016 Report Share Posted July 10, 2016 The stamp indicates possible 18" pitch, the diameter you can measure, to be correct take it to a good prop shop if you have one in your area. I had the same problem ended up calling Power Tech rep and they suggested a size, if you test it in deep water and do not ding it, they will swap for a different size. Link to comment Share on other sites More sharing options...
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