A starter is an electric motor, pneumatic motor, hydraulic motor, or other device for rotating an internal-combustion engine so as to initiate the engine’s operation under its own power.

The electric starter motor or starting motor is the most common type used on gasoline engines and small Diesel engines. The modern starter motor is either a permanent-magnet or a series-parallel wound direct current electric motor with a starter solenoid (similar to arelay) mounted on it. When current from the starting battery is applied to the solenoid, usually through a key-operated switch, the solenoid engages a lever that pushes out the drive pinion on the starter driveshaft and meshes the pinion with the starter ring gear on theflywheel of the engine.

Starter Components


The armature must carry current, so it is always a conductor or a conductive coil, oriented normal to both the field and to the direction of motion, torque (rotating machine), or force (linear machine). The armature’s role is twofold. The first is to carry current crossing the field, thus creating shaft torque in a rotating machine or force in a linear machine. The second role is to generate an electromotive force (EMF).

Solenoid Switch

The starter solenoid is part of an automobile starting system. The starter solenoid receives a large electric current from the car battery and a small electric current from the ignition switch. When the ignition switch is turned on (i.e. when the key is turned to start the car), the small electric current forces the starter solenoid to close a pair of heavy contacts, thus relaying the large electric current to the starter motor.

Brush Holder

A spring is typically used with the brush, to maintain constant contact with the commutator. As the brush and commutator wear down, the spring steadily pushes the brush downwards towards the commutator. Eventually the brush wears small and thin enough that steady contact is no longer possible or it is no longer securely held in the brush holder, and so the brush must be replaced.

Field Coil w/ Housing

A field coil is an electromagnet used to generate a magnetic field in an electro-magnetic machine, typically a rotating electrical machine such as a motor or generator. It consists of a coil of wire through which a current flows.

In a rotating machine, the field coils are wound on an iron magnetic core which guides the magnetic field lines. The magnetic core is in two parts; a stator which is stationary, and a rotor, which rotates within it. The magnetic field lines pass in a continuous loop or magnetic circuit from the stator through the rotor and back through the stator again. The field coils may be on the stator or on the rotor.

Lever Fork

This fork fits inside the reverse gear shift fork mount and controls it forward and reverse drive gears. Fork is made of composite plastic, pin is steel.


Reconditioning of fuel pump plungers and barrels is a cost effective way of dealing with the challenges often experienced in the present environment of frequent fuel switching and fuel quality issues. In addition, many clients experience increased wear and tear of the fuel pump plungers and barrels, due to the reduced lubricity of the ultra low sulfur fuels.

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