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Glossary of Automotive Terminology

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Glossary of automotive, recreational vehicle and motorcycle terminology.

Supercharged Engine

An engine that is similar to a turbocharged engine which uses a series of belts or chains from the crankshaft to turn the turbines that forces the air/fuel mixture into the cylinder heads under pressure creating a bigger explosion which generates more power. A turbocharger use the exhaust gases to turn the turbines to create the same effect. Read More »

Solenoid

Solenoids are electro-magnetic switches. When electricity is sent to the solenoid, a magnetic field forms. The magnetic field moves a metal piston that is connected to a mechanical linkage or in this case, a valve. When the metal piston moves, the application is made. The application may be the moving of a valve in the valve body to activate second ... Read More »

Top Case

A top case sits behind the passenger seat and may be large enough to hold two full-face helmets. Like the tank bag, a top case is meant to hold lightweight items. Overloading a top case puts more weight on the rear of the motorcycle, thus lightening the front wheel. Traction and steering suffer when the top case is overloaded. Read More »

Wheel Spin

When the driving wheels do not get enough traction to propel the car. The wheels simply spin in place, getting you nowhere and eating up your tires. Read More »

Aprilia

A well-regarded Italian motorcycle manufacturer, known for 250 GP race bikes that are tiny and lightweight. Read More »

Brake Fade

Loss of the brake’s ability to stop the car. This occurs when the brakes heat up, preventing the brake pads from grabbing the discs and stopping the car. Read More »

Cargo Net

A stretchy net-like device with four hooks attached. A cargo net is used to secure odd-sized or large items to the passenger seat or luggage rack. Be sure the item that is being secured cannot fit through the holes of the cargo net, and be sure the cargo net is not too large for the item. If the cargo net ... Read More »

Clutch

A device that connects and disconnects the wheels from the engine enabling the gears to be changed. Read More »