Gas mileage

[randlemanboater]

Originally Posted by jap545

*I have a 96 V21 with the same year 150 johnson. The boat gets very poor gas mileage. I'll go on a 10 mile day and burn 25 gallons or so. speed wise it's great out of the hole but cruises at about 22 knots at around 4300 rpm. kind of disappointing. Does this sound normal for the engine. I'm more concerned about the gas. Could It be the wrong prop maybe? any insight would be appreciated.

:o

HOLY CARP!!!! I used to get 1 mpg in my GW 25 with twin 200 Evinrudes.......something is definately wrong.

I suggest a Johnzuki 140 to cure your gas comsumption woes. ;D