| Glossary M | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0..9 | A | B | C | D | E | F | G | H | I | J | K | L | M |
| Misc | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
MAG Swiss engine makers, the initials stand for Motosacoche Accacias Geneva. The company also produced complete Motosacoche bikes.
Mag Alloy Magnesium alloy, a strong lightweight metal used for many components, particularly wheels.
Magneto A high-tension spark generator for the ignition system that does not require an external power source.
Manifold A branched collection of pipes for inlet or exhaust gases.
Marque Make or brand of motorcycle.
Megaphone An outwardly tapered high-performance exhaust.
Monocoque Fame 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. The Vespa scooter and the F750 Norton of c.1973 are among the rare examples in motorcycles.
Moped A pedal assisted motorcycle of less than 50cc.
Motorcross Off-road racing over a rough circuit. Formerly known as scrambling.
Multi-Plate Clutch A clutch with several friction and drive plates. Its compact size makes it ideal for motorcycles.
MX See motocross.