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Author Topic:   Prop size on 130/40hp Merc
GeneNJ posted 07-28-2004 04:07 PM ET (US)   Profile for GeneNJ   Send Email to GeneNJ  
My 2002 130 with the 40hp 2s has an aluminum prop that came as part of the package. How do you find the size? All I see on the prop is a long string of numbers. Where is the dia/pitch stamped? I am asking because the max rpms are well below what they should be for this engine.
jimh posted 07-29-2004 03:36 AM ET (US)     Profile for jimh  Send Email to jimh     
Type that part number into GOOGLE.COM. That should find the pitch and diameter for you. There is no way to deduce it from that number other than to look up the part number and find a description of it somewhere.
arnereil posted 08-01-2004 06:18 AM ET (US)     Profile for arnereil  Send Email to arnereil     
I had the same problem with mine. Same year/h.p... could only reach 4,800 rpm... the prop had a couple of dings in it (prior owner), so I got a new prop, aluminum, same dia./pitch, and raised the motor 2 holes.... Got the rpm up to 5,100, still below it's max. I've thought of going to stainless on the prop but have not, yet...
GeneNJ posted 08-01-2004 05:34 PM ET (US)     Profile for GeneNJ  Send Email to GeneNJ     

Do you know the pitch on your props?
I assume you also have the Merc, what holes are you now using?
Have you experienced any caviation with it raised?

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