![]() Then intermittently it then won't prime the pump nor start again. I leave the bike for 10 minutes or so, then when I turn the key, I hear the fuel pump prime and bike starts. I've been through all the connectors including the ECU and cleaned them with contact cleaner, still no use.īut. When I turn the key, I see the tacho sweep and I hear a relay click (it's the 3rd from the front relay on the left hand side with two thicker blue wires in the connector that have 12v on them to ground), but the fuel pump does not prime nor the bike start. Now it is not working at all, I get an intermittent issue where the bike will not start. However it is now permanently not working, no sweep when you power it up, no odo, but you can see the backlight flickering few times a second like it is trying to power up. First of all I have had intermittent speedo dead for a while, where it will stay not working for sometime, then spring into life. Make sure you take care of it to prevent problems with the fuel pump, such as priming.Got weird things goings on with a 2011 Roadster. The delivery of fuel to the engine is a vital function performed by the fuel pump. Otherwise, problems with the fuel system can arise. Add an anti-ethanol compound to the fuel if it is not being used completely after a week or two. Ethanol benefits the environment, the agricultural economy, and the reduction of reliance on foreign oil. It is crucial to change them so that no debris can enter the pump, regardless of what is stated in the owner’s manual or how far you have traveled. Replace the fuel filtersįuel filters need to be changed annually. The pump filters won’t be able to collect them all if you put that fuel in your car. All the dirt and deposits are churned up in the gasoline that is being stored when the station is getting gas. ![]() Try not to fill up the tank at the gas station while you are getting gas, though. Nowadays, gasoline contaminated with the debris is less frequent because most stations strive to maintain high-quality fuel. Additionally, the pump may experience a thermal shock if gasoline is quickly put into the tank when it is empty. The aim won’t be accomplished if it is not constantly submerged in gas. Thus, to keep the tank cool, the pump was placed inside. The pump generates heat while it operates because it is an electrical device. You can’t allow the fuel to get down to one-fourth of a tank. Here are some tips to keep your fuel pump last longer: 1. ![]() In addition, the fuel inside the pump casing may practically boil out of the casing due to an obstruction in the intake line, which would cause the pump to lose prime. The most frequent cause is debris obstructing the foot valve or suction strainer. BlockageĪn obstruction or blockage in a line could be one reason your pump is losing prime. Solution: Replacement of the problematic valve may be the answer. Therefore, your pump may lose prime between starts if your foot valve leaks. The intake line and casing of the majority of pumps are kept full with water, gasoline, or diesel by foot valves when the pump is not in use. Sometimes the cracks are so minute that you can’t see them with a fast visual inspection, yet they’re big enough to prevent the fuel from continuously draining from the tank. Your pump may lose prime if there are leaks in the intake line, around the housing’s shaft seal, or elsewhere. Fuel lines with leaks and cracksįuel line damage is a common cause of fuel pump issues (This could account for 90% of cases). Steps 3-5 should be repeated 4-5 times.Place the STOP position on the engine run/stop switch.The fuel pump should be left running until it stops (about 2 seconds).Put the RUN position on the engine stop/run switch.In the ON position, turn the ignition key.Here are some short actions you can take: Having stated that, we must prime the fuel system once the motorcycle runs out of fuel before attempting to start the engine again. The completely primed fuel system is then pressurized for a speedy engine start by turning on the fuel pump once more. To release trapped air in the fuel system, the injectors are first managed for a brief period of time in response to the observed rate of pressure rise after the fuel pump has been initiated to pressurize the system. Sensing the rise in fuel pressure during priming is a step in a fuel system priming procedure for an internal combustion engine with a returnless fuel system and electronic fuel injection. ![]()
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