Small Engine Parts

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<p>Engine Block</p>

Engine Block

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13 Terms

1
<p>Engine Block</p>

Engine Block

Structure which contains the cylinder, plus any cylinder sleeves and coolant passages.

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2
<p>Piston</p>

Piston

An object in an engine moving up and down, pulling fuel in then making it into a spark to create energy for an engine

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3
<p>Fuel Bowl</p>

Fuel Bowl

Piece under a carburetor that allows fuel through the emulsion tube and vent into the carburetor throat

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4
<p>Choke Valve</p>

Choke Valve

Chokes the air supply in order to provide the proper ratio of fuel to air

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5

Carburetor Barrel / Throat

The passage that air and fuel move through, between the choke and the throttle

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6
<p>Crankshaft</p>

Crankshaft

Converts the reciprocating motion into rotational motion. Pumps the piston up and down in the combustion chamber.

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7
<p>Throttle Plate</p>

Throttle Plate

Allows more air to enter the engine and thereby increases engine power.

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8
<p>Connecting Rod</p>

Connecting Rod

Rod connecting the Cylinder head to the crankpin of a crankshaft

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9
<p>Venturi</p>

Venturi

Causes air / fuel to flow faster through it’s cone shape

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10
<p>Emulsion Tube</p>

Emulsion Tube

Mixes fuel and air for the main circuit. Maintains the air fuel ratio at all speeds.

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11
<p>Float</p>

Float

Controls fuel flow, maintaining the fuel level in the chamber. When the fuel level raises this high enough, the needle and seat are forced to close.

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12
<p>Carburetor Fixed Jet</p>

Carburetor Fixed Jet

Mixes air and fuel by means of several jets.

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13
<p>Carburetor Adjustable Jet</p>

Carburetor Adjustable Jet

Controls fuel / air mixture between idle and 1/4 throttle

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