Your numbers are VERY CLOSE to mine when I originally put the 150 Honda on back in '04...topped out at 42 @ 6000 and cruised at 29 @ 4000...that w/a 15 1/4" x 17 Power Tec
Reel - I'm considering a new Honda 150 on a '74 cuddy. What kind of fuel economy do you get out of your 150?