Fuel petcock symbols. A detailed diagram of a scooter petcock, including its parts...

Fuel petcock symbols. A detailed diagram of a scooter petcock, including its parts and how they function. A petcock, or sometimes referred to as a fuel tap or fuel valve, is a 2 or 3 way valve on the bottom of your fuel tank. Aug 13, 2020 · The issue: The OEM petcock has known failures whereby it fails to shut off fuel flow when the bike is off, which can flood the engine with fuel over time, filling the crankcase with fuel, and completely diluting the engine oil, etc. Learn more about the fuel petcock diagram for Harley motorcycles, including its components and how it functions. The fuel petcock is a valve located in the fuel tank that controls the flow of fuel to the carburetor or fuel injection system. Learn about the different positions and functions of a fuel switch. Understanding this layout is essential for resolving fuel delivery issues, replacing cracked hoses, and ensuring the correct torque spec is applied to mounting bolts. These positions are controlled by the internal structure of the valve, which utilizes two different-length pickup tubes extending into the fuel tank. It allows the rider to adjust the fuel flow from the motorcycles tank to the carburetor. Understanding how to use the fuel petcock on your motorcycle or scooter is very important. The fuel valve is the most important component of the petcock, and it controls the flow of gasoline to the carburetor. (bad outcome). Learn how to maintain and repair a scooter petcock. Some motorcycles don't have petcocks and instead have gas gauges indicating remaining fuel. It works by directing fuel from your tank to the carburetors or fuel injectors. We would like to show you a description here but the site won’t allow us. It is the position you always return the valve to when refueling. ON is used during normal operation of the bike. RESERVE is used when you run out of gas in the ON position. May 17, 2023 · The Harley Petcock diagram includes several components, including the fuel valve, fuel filter, and fuel lines. Feb 23, 2025 · This listing is for an Arctic Cat snowmobile petcock fuel shut-off valve with filter and grommet, commonly referenced by part numbers Arctic Cat 0302-057, 1670-325, 0109-413, and 0302-058. Most older motorcycles have a three-position fuel petcock valve (known as a "petrol tap" in the UK) mounted on or nearby the fuel tank to control the supply of gasoline: on, off, and reserve. Found on mopeds, motorcycles and scooters alike; This episode A common variation found on older motorcycle fuel tanks incorporates multiple settings: ON, OFF, and RESERVE. There are three positions on these ON - OFF - RESERVE. . The diagram illustrates the different positions and components of the fuel petcock, helping you understand how it operates and how to manipulate it for various purposes. The rider turns the petcock to RESERVE when the reserve area of the gas tank is reached. Feb 18, 2026 · A Honda Shadow fuel line diagram illustrates the flow from the fuel tank through the petcock, filter, and pump into the carburetors or fuel injectors. Find out how motorcycle fuel switches work with our detailed diagram. When you run out, you can turn it to reserve and hopefully make it back. Top is to open the petcock for normal riding. Sep 16, 2022 · A petcock is a small valve that allows fuel to flow into the carburetor on a motorcycle. The bottom is your reserve. Preserved from the TOMOS America channel, our educational series "You Will Know," was intended to introduce newcomers to moped basics. Find detailed diagrams and explanations to help you better understand the fuel system of your Harley. It’s usually located on the bottom of the gas tank, and it has several different settings that allow you to control the amount of fuel that flows into the engine. rcsmwq jtumh fwkq atmqa cmzqopuzq sgiq elm goxrz orwipb oehtyc