Here it is with a 60/40.
https://cms.geteminleads.com/DBfiles/mediavault/othermedia/file/16451.pdf
A guy on my river with a 1656 ccj 60/40 Yamaha says he runs about 26 mph, I have blazer 1752 with a mercury 60/40 and I run 28 up and 29-30 down river.
Hope the comparison helps some.