What is the fuel pressure on the F650 GS?
The regulated fuel pressure to the fuel injector on the F650 GS is 3.5 Bar (50.75 pounds per square inch). The fuel pump is capable of developing a pressure much higher than that.
When to replace the fuel filter on a BMW F650?
Unlike my car, the F650 GS does not have a PRIMARY fuel filter and relies on the filter built into the fuel pressure regulator. In this case, to replace the fuel filter, you actually have to replace the very expensive fuel pressure regulator itself. BMW’s recommended replacement interval is 6,000 miles / 10,000 km.
Where are the fuel hoses on a BMW F650?
There are two fuel hoses connected to the bottom of the fuel filter by hose clamps. (marked green in above picture). One of the hose fittings is located at the center of the filter, and the other is off-center. Remember which is which, or mark them for future reference with a colored zip-tie or some such.
Is the fuel pump always under high pressure?
The fuel pump is capable of developing a pressure much higher than that. The fuel system remains under HIGH pressure at all times, even with the ignition off and the bike left unused for many days. Wear safety goggles and protective clothing at all times when working on it.
The regulated fuel pressure to the fuel injector on the F650 GS is 3.5 Bar (50.75 pounds per square inch). The fuel pump is capable of developing a pressure much higher than that.
What to do if your F650GS won’t start?
Listen closely when you turn the key to the start position and see if you hear the fuel pump pressurize. If you don’t, run a wire directly from the battery to the fuel pump and see if it starts. If it does. replace the fuel pressure sensor. Have the battery checked. Just because it turns over doesn’t mean it has enough juice to start and run. GH
Why is my fuel pump not working on my f650g?
The aluminum part of the pumps inerts, corrode with the usage of ethanol in the fuel. Those flakes goes down stream, and plug the injectors. Same exact symptoms as you had.
Where is the fuel tank on a BMW F650?
Loosen the oil tank on its moorings (lugs) and let it hang off to the left side of the bike. Tie it up with a bit of string to save the hoses/your paintwork. This is the fuel filter. It’s under the loop of the frame that the rear of the airbox attaches to. It’s held to the frame by a clamp.