Motorcycle

Battlefield 1942: Secret Weapons of World War II
The XA42 is an American motorcycle that was introduced in Secret Weapons of World War II. It has a sidecar, with an M2 Browning.

Battlefield 3
The Dirt Bike appears in and is shown on the cover of the Battlefield 3: End Game expansion pack. The Dirt Bike is also shown in the Teaser Trailer for Battlefield 3: End Game.

Similar to the Quad Bike from Armored Kill, the Dirt Bike is a high-speed light vehicle that allows both a driver and a passenger, who sits behind the driver on the rear of the bike. The vehicle has no armament apart from the passenger, who has access to their infantry weapons. Unlike the quad bike, which only allows rear-directional fire, the passenger on the Dirt Bike has a full 360° view.

Trivia

 * The Dirt Bike in game seems to be a variation of a Kawasaki KLR650, with an enlarged petrol tank. It is known as the M1030 in USMC service.

Trivia

 * Near the beginning of the Battlefield 3: End Game teaser trailer, an RGF soldier is doing a wheelie with the dirt bike.