I AM RETIRED ON LIMITED INCOME. THE PREVIOUS OWNER HAD A 7.5 HONDA HP ON THIS LOVELY LITTLE DAY SAILER ON THE HUDSON RIVER, BUT I WANT TO PASS HELLS GATE TO Long Island, AND PERHAPS DO THE CAPE COD CANAL. I AM SHOPPING FOR A NEW MOTOR, BUT NEED ADVICE FROM EXPERIENCED O'DAY. 22 OWNERS AS TO HOW MUCH HP DO I NEED? I AM A SAILOR NOT A MOTOR CRUISER, SO I ONLY WILL USE THE OUTBOARD WHEN I NEED TO GET THROUGH TOUGH CURRENTS AND TIDES .