Motorcycle

Motorcycles are single-track, engine-powered, two-wheeled, motor that were used (somewhat recurringly) by PMCs.

Usage
In 1964, EVA rode a Russian-made replica of a German BMW R75 Motorcycle (sans the sidecar). It was extraordinarily powerful and she was highly competant with it. According to rumors, the Soviets confiscated an entire production facility for the BMW R75 (including all the completed models) after winning World War II, which could explain their presence in the Soviet Union. Later, EVA had it fitted with a sidecar, allowing Naked Snake to act as a gunner as the two fled Groznyj Grad while being chased by the Shagohod (piloted by Volgin). After the Shagohod's destruction and Volgin's death, Snake and EVA were also pursued by GRU soldiers riding their own motorcycles (likely brought or made from the colossal resources at Volgin's disposal). Unfortunately, Snake and EVA's motorcycle was leaking gas because the former was in gunfights with the GRU soldiers and, in the confusion, their motorcycle crashed, with Snake injured and EVA impaled by a nearby tree.

Peace Walker Incident
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In 1974, Big Boss (Naked Snake) used a motorcycle (likely a Triumph Bonneville, as it featured a twin pea-shooter exhaust, fuel tank decorations, parallel twin engine, and was a known motorcycle made during the 1970s) to arrive at Barranquilla Coast, Colombia to oversee and train with the Militaires Sans Frontieres. The Militaires Sans Frontieres presumably procured some of their own motorcycles because of their ever expanding resources.

In 2014, Big Mama and Old Snake (the latter was the gunner while holding on to the former) rode on a Triumph Bonneville, whilst some of the Paradise Lost members used black Triumph Speed Triple 1050s while in Eastern Europe. Big Mama's Bonneville was a post-2001 remake produced in Hinckley, with various add-ons from Triumphs "Sixty-8" line of accessories. After evading the Raven Sword PMC, Snake and Big Mama's motorcycle crashed outside a building, with Snake disoriented and Big Mama impaled by a steel rod.

Trivia

 * In Metal Gear Solid 3: Snake Eater and Metal Gear Solid 4: Guns of the Patriots, EVA drives the motorcycle.
 * The motorcycle that Big Boss is seen driving is only seen in the intro video before the tutorial of Metal Gear Solid: Peace Walker.