Swiss motorcycle engine makers in the first half of the 20th century. The company also produced complete Motosacoche bikes and their engines were used by other European motorcycle manufacturers.

Magnesium alloy, a strong lightweight metal used for many components, particularly wheels.

A high-tension spark generator for the ignition system that does not require an external power source.

A branched collection of pipes for inlet or exhaust gases.

Make or brand of a motorcycle. (French for “brand”). For example: Aprilia, BMW, Buell, Ducati, Harley Davidson, Honda, Husqvarna, Hyosung, Kawasaki, KTM, Moto Guzzi, MV Agusta, Norton, Star, Suzuki, Triumph, Ural, Victory, and Yamaha.

An outwardly tapered high-performance exhaust.

An open-weave, protective apparel for motorcycle riders that allows air to circulate through the garment offering ventilation and cooler riding for hot, summer temperatures.  Most notably used in motorcycle jackets, although also available as construction for protective motorcycle pants.

A motorcycle frame in which the structure is made as one unit from a sheet material (ie alloy or steel). It may also include bodywork or fuel container in the structure. A Grand Prix motorcycle racing monocoque motorcycle was developed in 1967 by Ossa, a Spanish motorcycle brand. Honda also experimented with a monocoque motorcycle in 1979 with its NR500. More recently the Kawasaki Ninja ZX-14 sport bike was introduced for the 2006 US model year with an aluminum monocoque frame.

A pedal assisted motorcycle of less than 50cc.

Off-road motorcycle racing held on enclosed, rough circuits. Motocross is derived from the French, and traces its origins to British Scrambling competitions. The name “motocross” is a contraction derived from the words “Motorcycle” and “Cross Country.” (Also known as MX or MotoX).

A light-weight motorcycle specifically designed for racing in motocross competition or on a dirt track. As compared to other off-road bikes, the suspension is able to handle harder hits, the power delivery is more explosive, and the gear ratios are different for riding on motocross or other closed-course tracks.

The premier class of Grand Prix motorcycle racing. The sport combines high-speed motorcycles, which feature revolutionary technology, piloted by some of the most skillful riders in the world. It costs millions of dollars to get a MotoGP bike on the track. The bikes are purpose-built, racing machines — prototypes — that are neither available for general purchase nor can they be legitimately ridden on public roads. Engines for current MotoGP race bikes must be four-strokes with no more than 800 cc’s.

The putting together of manufactured parts to make a completed motorcycle, or the set of parts so assembled.

Example: The production managers discussed how to increases motorcycle assembly.

Example:  A sketch of the motorcycle assembly was included in the owners manual to illustrate individual parts in relation to the whole bike.

A website about motorcycles, motorcycle gear, motorcycle riding, motorcycle destinations, motorcycle fun and motorcycle safety. (www.motorcycle-intelligence.com)

The Motorcycle Safety Foundation is a US national, not-for-profit organization sponsored by the U.S. manufacturers and distributors of BMW, Ducati, Harley-Davidson, Honda, Kawasaki, KTM , Piaggio/Vespa, Suzuki, Triumph, Victory and Yamaha motorcycles. It sponsors low cost motorcycle safety training for new and current riders.

See Clutch.

See Motocross

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