• Best Fuel Injector Cleaner

    At Mike’s Carburetor Parts we have talked about injector cleaners before. However, despite the fact that in our previous fuel injector cleaners article. we delved into the theory behind this type of maintenance we did not go beyond that, the theory. That article left an important question on the air….

  • Carter YF & YFA Adjustments

    Float Level invert the air horn assembly, and check the clearance from the top of the float to the bottom of the air horn with the float level gauge. Hold the air horn at eye level when gauging the float level. The float arm (lever) should be resting on the…

  • YF & YFA Troubleshooting 2

    The Main Discharge Has a Weak Squirt Besides eliminating clogged passages, check ball problems and low Gas you can help the pump by adding washers on top of each spring. Unlike most pump the YF pump fills the diaphragm housing with gas on the down stroke. Gas is sent to…

  • Carter WCD Idle Circuit

    Fuel for idle and early part throttle mixtures is metered through the low speed, or idle circuit. Gas enters the idle wells through the metering rod jets. The low speed jets meter the fuel at the lower end of the tube. Fuel flows up through the tube into the passage…

  • Holley 1901 Governor

    The model 1901-FFG truck carburetors inĀ­corporate the Holley Centri-Vac vacuum operated engine speed governor. The governor consists of two units, a throttle actuating mechanism which is attached to the throttle shaft of the carburetor and a controlling unit which is an integral part of the Holley pressure distributor and is…

  • 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…

  • Keihin Identification

    2 Barrel Keihin was used on 1342cc, 1488cc & 1955cc Honda engines. 3 Barrel Keihin was used on 1335cc, 1487cc, 1600cc Civic & Accord and 1751cc Accord & Prelude. The electric fuel pump is located under the back seat beneath an access plate on sedan & hatchback. It is located…

  • Keihin Troubleshooting

    Engine Cranks but Won’t Start Out of gas Incorrect starting procedure – when cold step on gas once, then crank. Bad fuel pump – Remove fuel line from carburetor, place the open end into a jar or bucket and crank the engine. The correct way to test the fuel pump…