[Bigshrimpin]

no 20 seacraft with a yamaha 150 burns 3gph at cruise.

3500 - 4000 rpm burn with a four stroke 150 yamaha is roughly 5 - 7.5 gph depending on load.

This newer 21 seacraft is really a 23 hull (minus 2ft) . . . which is a MUCH larger hull than the 20.