mercury 240

First off, I would like to thank everyone on this forum as I have done a ton of trial and error after reading the available posts/threads on this exact topic. I have a 2001 seadoo speedster with 240 EFI. The oil tank is on the port side of the engine if that helps determine which engine version...

I changed the plugs and took my challenger out for first time this season. Severe loss of power. Couldn't get rpms past 3000. Couldnt get to plane. Where should I start? Any reccomendations for repair shop in MA/RI area? Thanks, Rob

I recently purchased a 2001 Islandia with the Mercury 240 Jet Drive. I am very pleased with the boat, but not with the engine. I do a good bit of Intercoastal waterway boating and this boat isn't practical at all due to the terrible fuel mileage. Anybody out there know what kind of fuel economy...