Rock N Robin
New member
Here is my saga.
2003 BF225, 1100 hours, on a Pursuit 2200wa
History on the motor, the motor was originally hung on the transom in 2003, motor ran great for 7 years with engine oil/gear oil changes every 100 hours, water pumps every year and the fuel filters replaced every other year (never really needed it). Around 3 1/2 years ago, I had some issues with water in my fuel that was either bad ethanol fuel or a leaky fuel cap gasket or both. During this period I cleaned the injectors, replaced the HP fuel pump and filter, replaced the needle valve in the VST, the plugs were replaced, the 02 sensor was replaced, and cleaned/replaced the entire fuel system from the injectors to the fuel tank(3 times). I also had the tank and all fuel lines and fittings replaced, new 10m Racor installed, all the wiring replaced, the stern enclosed, and an Armstrong bracket installed. I battled water in my fuel for about six months before and after the tank was replaced. After the fuel problem was solved, or more like it just went away the boat ran better than it ever did with my highest top end 37 knots and better fuel burn numbers 12 gal/hr at cruise 4800RPM. The boat has run good for about two years with several 130+ mile offshore trips, with the motor running good at 5800wot and 16gal/hr. Then 5 months ago the buzzer, would fire off after the boat had run over 3000rpm and then run at idle speed, like when pulling into my slip. The engine was shut off and then restarted and the buzzer would go way for some time. This alarm did not seem to effect the motor as it ran fine. After a month or so of this the performance of the motor was slowly declining, so with some research I found out about the SB#56 and thought this to be my problem, so I purchased the kit and installed the new pipes and another O2 Sensor.
Photos attached of SB#56 tear down, this job took about 4 hours and was pretty straightforward.
After installing the new exhaust pipes per SB#56 the code was cleared and the motor was ran. The motor ran fine but the buzzer is still continuing to sound; I followed the troubleshooting in the Honda Service Manual and it still is kicking out the O2 sensor warning, next is to check the fuel pressure, if the fuel pressure is within specs(which I am sure it is) the only other thing is a short or open circuit or a bad ECM. Not sure how the motor could run fine for 10 hours run 130 miles if the ECM was bad? Any thoughts on this would be greatly appreciated. I should be checking the fuel pressure next weekend.
-Mike
2003 BF225, 1100 hours, on a Pursuit 2200wa
History on the motor, the motor was originally hung on the transom in 2003, motor ran great for 7 years with engine oil/gear oil changes every 100 hours, water pumps every year and the fuel filters replaced every other year (never really needed it). Around 3 1/2 years ago, I had some issues with water in my fuel that was either bad ethanol fuel or a leaky fuel cap gasket or both. During this period I cleaned the injectors, replaced the HP fuel pump and filter, replaced the needle valve in the VST, the plugs were replaced, the 02 sensor was replaced, and cleaned/replaced the entire fuel system from the injectors to the fuel tank(3 times). I also had the tank and all fuel lines and fittings replaced, new 10m Racor installed, all the wiring replaced, the stern enclosed, and an Armstrong bracket installed. I battled water in my fuel for about six months before and after the tank was replaced. After the fuel problem was solved, or more like it just went away the boat ran better than it ever did with my highest top end 37 knots and better fuel burn numbers 12 gal/hr at cruise 4800RPM. The boat has run good for about two years with several 130+ mile offshore trips, with the motor running good at 5800wot and 16gal/hr. Then 5 months ago the buzzer, would fire off after the boat had run over 3000rpm and then run at idle speed, like when pulling into my slip. The engine was shut off and then restarted and the buzzer would go way for some time. This alarm did not seem to effect the motor as it ran fine. After a month or so of this the performance of the motor was slowly declining, so with some research I found out about the SB#56 and thought this to be my problem, so I purchased the kit and installed the new pipes and another O2 Sensor.
Photos attached of SB#56 tear down, this job took about 4 hours and was pretty straightforward.
After installing the new exhaust pipes per SB#56 the code was cleared and the motor was ran. The motor ran fine but the buzzer is still continuing to sound; I followed the troubleshooting in the Honda Service Manual and it still is kicking out the O2 sensor warning, next is to check the fuel pressure, if the fuel pressure is within specs(which I am sure it is) the only other thing is a short or open circuit or a bad ECM. Not sure how the motor could run fine for 10 hours run 130 miles if the ECM was bad? Any thoughts on this would be greatly appreciated. I should be checking the fuel pressure next weekend.
-Mike