I cant get more than 4200 rpms or 10mph.I have gone through my fuel system from inside the tank to the injectors.had injectors tested showed good. New plugs and filters.I was running 22mph at 5600rpm.any suggestions would be greatly appreciated.Thanks
I have a 07 40hp 4 stroke fuel injected and cant get more than 4600rpms or more than 10mph.I have changed the fuel line from the tank to the motor (because the liner inside the line was gone) both filters and checked all fuel lines up to the injectors and no trash.I also changed the spark plugs...