I have a MY 2000 Larson Cabrio 290 with twin 5.0Gi PEFS Volvo Penta engines with duo-props. (serial #s: 4012013531 and 4012013532) Ever since the end of last season, I've lost 800 rpm off WOT on both engines. My fuel consumption has also increased from 17gph (at cruise) to almost 25gph and I...
I have twin MY 2000, 5.0L Volvo Penta engines with duo-props. Ever since the end of last season, I've lost 800 rpm off WOT on both engines. My fuel consumption has also increased from 17gph (at cruise) to almost 25gph and I don't have as much power getting on plane. I pulled the plugs from both...
