Fuel Pumps & Sending Units
About Fuel Pumps & Sending Units
A fuel pump moves gasoline from the tank to the engine. On a fuel-injected motorcycle it is an electric pump, usually in or beside the tank, that keeps the fuel line at pressure for the injectors. A sending unit is the float-type sensor that reports the fuel level to the gauge, and it shares this category by name. Riders replace a pump when the bike will not start with fuel in the tank, stalls or loses power under load, whines loudly or cuts out when hot.
Listings come in three forms. A rebuild kit renews the worn parts of your original pump and is made for specific models; the samples here cover Harley-Davidson Softail and Touring, KTM, Ducati, Kawasaki, Yamaha and others. A replacement pump is a complete new pump. A pump module is the pump with its mounting assembly, and the listings include modules for Polaris General and RZR, Yamaha and KTM/Husqvarna machines. Match year, make and model carefully and read what each listing includes. Pick your machine in the Ride Finder at the top of the page.
Brands here include Quantum, Mikuni, Drag Specialties, S&S Cycle and All Balls. Plan to change the filter at the same time, so look at Fuel Filters, and if the injector side is in doubt see Fuel Injectors and Fuel Hoses, Lines & Pipes. Our guide to avoiding the wrong part is worth a read before you order a model-specific pump. All of it sits within Air Intake & Fuel Delivery.
FAQs on motorcycle fuel pumps
What is the difference between a fuel pump rebuild kit and a new fuel pump?
A rebuild kit renews worn components of the pump you already have, such as seals, filters or small internal parts, depending on the model. A new pump replaces the whole unit and is the simpler choice when the motor or housing is damaged. Read the listing to see exactly what a kit contains.
What are the signs of a failing motorcycle fuel pump?
Common signs are hard starting or a no-start with fuel in the tank, stalling or hesitating under load, a loud whine from the tank and a bike that quits when hot. Fuel filters, relays, fuses and wiring can cause the same symptoms, so check them before replacing the pump.
Does a fuel pump module include the fuel level sender?
It depends on the model. On some machines the pump, strainer and level sender are one assembly, and on others they are separate. Check the listing description and compare it with your original part before ordering, so you do not end up needing a second part.
Should I replace the fuel filter when I change the pump?
Yes, it is good practice. Debris from an old tank or a clogged strainer can restrict flow and make a new pump work harder. If your model has a filter or strainer, replace it with the pump, and clean out any rust or sediment you find in the tank.
Is it safe to replace a fuel pump myself?
It is doable for a careful owner but involves pressurized fuel and vapor. Disconnect the battery, relieve the system pressure as your service manual describes, work in a ventilated area away from sparks and flames, and use the correct seals when you close the tank. If any of that is unfamiliar, use a shop.
