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How To Test Keihin Fuel Pump

The proper pressure of the fuel pump is necessary to carry the correct amount of fuel from the gas tank to the carburetor.

  • Relieve the fuel pressure from the system.
  • Disconnect the fuel line at the fuel filter and attach the pressure gauge to it.
  • Remove the fuel cut off relay from the fuse box and connect a jumper wire in its place. Turn the ignition switch on until the pressure stabilizes. The pressure should be 2.6-3.3 psi.
  • Check for kinked or pinched fuel line from the gas tank to the fuel pump.
Keihin Carburetor Kits
Updated on 08/10/2021

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