My mechanic asked if I could find out what size props came on my boat from the factory. I have a 1980 58' YF with 8v71TIs. Does anyone know the answer or have suggestion where I may find the answer? Thanks in advance.
Do you have the original Hatt documentation that came with the boat? The oem prop size is in there. If you don't have it you can get it (the prop size and/or the documentation) from Hatt by supplying the Hull number. If you don't have the documentation, you should obtain it - it will be the best 75 bucks you ever spent on the boat. It includes all the data and wiring diagrams.
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