Small Engine Parts Catalog: Complete List of Categories

Small Engine Parts Catalog

1. Engine Components

• Piston and Piston Rings: Convert the fuel’s energy into mechanical work. Piston rings seal the combustion chamber and maintain compression.
• Crankshaft: Converts the up-and-down motion of the piston into rotary motion, driving the engine’s output.
• Flywheel: Stores rotational energy and helps maintain engine speed.
• Connecting Rod: Connects the piston to the crankshaft, transmitting the force from the piston to the crankshaft.
• Cylinder: The chamber where the piston moves up and down, enabling the combustion process.
• Cylinder Head: Houses components like valves, spark plugs, and other critical parts of the combustion process.
• Valves and Valve Springs: Regulate the intake of air and fuel and the exhaust of gases, while valve springs ensure proper closure after each cycle.
• Gaskets and Seals: Prevent fuel, oil, and other fluids from leaking, ensuring the engine remains airtight and efficient.

2. Ignition System

• Spark Plug: Ignites the air-fuel mixture inside the combustion chamber, initiating the engine’s operation.
• Ignition Coil: Generates the electrical spark needed to ignite the spark plug.
• Flywheel Magneto: A self-contained electrical system that generates power for the ignition coil.
• Kill Switch and Wiring: Used to shut down the engine by interrupting the ignition system’s power.

3. Fuel System

• Carburetor: Mixes air with fuel in the correct ratio for combustion in the engine.
• Fuel Pump: Delivers fuel from the tank to the carburetor or fuel injection system.
• Fuel Filter: Removes contaminants from fuel to protect the carburetor and engine.
• Fuel Tank: Stores the fuel needed for the engine’s operation.
• Fuel Lines and Hoses: Carry fuel from the tank to the carburetor or fuel pump.

4. Air and Exhaust System

• Air Filter: Prevents dirt and debris from entering the engine, ensuring optimal air quality for combustion.
• Exhaust Manifold: Directs exhaust gases out of the engine, reducing engine backpressure and improving performance.
• Muffler/Exhaust Silencer: Reduces noise and controls exhaust emissions.
• Intake Manifold: Distributes the air-fuel mixture evenly to the cylinders.

5. Cooling System

• Cooling Fan: Circulates air to cool the engine during operation.
• Cooling Fins: Metal fins around the engine that dissipate heat and prevent overheating.
• Radiator: Used in liquid-cooled engines to cool the coolant.
• Thermostat: Regulates the temperature of the engine, ensuring it does not overheat.
• Coolant Hoses: Carry coolant through the engine’s cooling system.

6. Lubrication System

• Oil Pump: Circulates oil throughout the engine to lubricate moving parts and reduce friction.
• Oil Filter: Filters out contaminants from the engine oil, maintaining engine efficiency.
• Oil Dipstick: Allows for checking the engine’s oil level and condition.
• Oil Sump: The reservoir that holds the engine oil.

7. Electrical System

• Battery: Stores electrical energy to power the engine’s electrical components.
• Voltage Regulator: Regulates the voltage produced by the alternator to ensure a consistent power supply to the engine.
• Alternator: Generates electricity to charge the battery and power electrical components.
• Starter Motor: Turns the engine over to initiate the start-up process.

8. Starting System

• Pull Cord and Recoil Starter: Manual starting mechanism used in many small engines.
• Electric Starter Motor: Electrically powered motor used to crank the engine.
• Solenoid: The electrical component that engages the starter motor when the start button is pressed.
• Starter Relay: Controls the starter motor’s power flow, ensuring smooth engine startup.

9. Transmission and Drive

• Clutch: Engages or disengages the engine’s power to the transmission.
• Drive Shaft: Transfers power from the engine to the vehicle’s drive system.
• Pulley and Belt: Transfers mechanical power in the drive system of certain small engines like lawnmowers or go-karts.
• Gearbox: Provides different gear ratios to optimize engine power and speed for specific applications.
• Differential: Distributes power to the wheels of a vehicle, allowing for different wheel speeds (essential for turns).

10. Safety and Control

• Throttle: Regulates the engine speed by controlling the fuel-air mixture.
• Choke: Restricts air flow to enrich the fuel mixture for easier engine starting.
• Governor: Maintains engine speed by regulating fuel flow.
• Kill Switch: Immediately shuts off the engine to prevent accidents.

OEM Small Engine Parts at Chinasmallengines.com

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• Complete Parts Catalog: Access a wide range of engine components from pistons and spark plugs to gearboxes and cooling systems.
• OEM Quality: All parts are manufactured to OEM specifications, ensuring high performance and long-lasting durability.
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Visit Chinasmallengines.com to explore our full catalog and get the parts you need for your small engine today!