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rpm is actually 4900 wot I ONLY STATED IT WAS A 2003 IS WHEN I HAD A FRIEND THAT IS A COP RAN THE NUMBERS AND IT CAME BACK AS A 2003 I LOOKED A IBOATS AND IT SAYS A 1997type of boat is a gheenoe 13' fiberglass20" with jackplate cav plate is 3" below water it is the main motor longshaft and i do have a tinytach hooked up prop is a 9 1/2 x 8 5/8 model number is bf 9.9a 2003 by the serial number i know i stated it was a d in the post sorry about that w.o.t. Is about 2900 @ 22m.p.h. Good water pressure out of the peehole green llight is on oil is change as per schedule in book i do have all the record as i am the second owner.