Moto Guzzi MGX-21 Flying Fortress

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Moto-guzzi-mgx-21-flying-fortress-2015-4.jpg
Moto Guzzi MGX-21 Flying Fortress
Manufacturer
Also called MGX-21
Production 2015 - 2018
Class Cruiser
Engine
v2, four-stroke
Bore / Stroke 104.0mm x 81.2mm
Compression ratio 10.5:1
Horsepower 94.41 HP (70.4 KW) @ 6500RPM
Torque 89.25 ft/lbs (121.0 Nm) @ 3000RPM
Fuel System injection. weber-marelli electronic fuel injection.
Spark Plug NGK `16-19[1]
Transmission Gear box: 6-speed

Final Drive: shaft drive (cardan)

Clutch: dry single plate with flexible couplings
Final Drive Shaft `16-19[1]
Suspension Front: telescopic fork
Rear: swingarm with double shock absorber with adjustable spring preload
Brakes Front: double disc. abs
Rear: single disc. abs
Front Tire 120/70-21
Rear Tire 180/60-16
Wheelbase 66.93 inches (1700 mm)
Length 100.79 inches (2560 mm)
Width 36.22 inches (920 mm)
Height 50.2 inches (1275 mm)
Seat Height 29.13 inches (740 mm)
Weight 751.78 pounds (341.0 Kg) (dry), 314.0 kg (wet)
Fuel Capacity 5.42 Gallon (20.50 Liters)
Manuals Service Manual


The Moto Guzzi MGX-21 was a v2, four-stroke Cruiser motorcycle produced by Moto Guzzi between 2015 and 2018. Max torque was 89.25 ft/lbs (121.0 Nm) @ 3000 RPM. Claimed horsepower was 94.41 HP (70.4 KW) @ 6500 RPM.

Engine[edit | edit source]

The engine was a oil & air cooled v2, four-stroke. A 104.0mm bore x 81.2mm stroke result in a displacement of just 1380.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 6-speed transmission. Power was moderated via the dry single plate with flexible couplings.

Chassis[edit | edit source]

It came with a 120/70-21 front tire and a 180/60-16 rear tire. Stopping was achieved via double disc. abs in the front and a single disc. abs in the rear. The front suspension was a telescopic fork while the rear was equipped with a swingarm with double shock absorber with adjustable spring preload. The MGX-21 was fitted with a 5.42 Gallon (20.50 Liters) fuel tank. The bike weighed just 751.78 pounds (341.0 Kg). The wheelbase was 66.93 inches (1700 mm) long.

2015 Moto Guzzi MGX-21 Flying Fortress[edit | edit source]

2015 Moto Guzzi MGX-21 Flying Fortress 2015 Moto Guzzi MGX-21 Flying Fortress 2015 Moto Guzzi MGX-21 Flying Fortress 2015 Moto Guzzi MGX-21 Flying Fortress 2015 Moto Guzzi MGX-21 Flying Fortress

The MGX-21 is the most unconventional, rich and technological of the 1400 cc grand cruisers built at Mandello del Lario. It is the latest distinguished representative of a line begun in 1921 when Moto Guzzi started to make unique hand built motorcycles as one-off collector's items. The design of the MGX-21 Flying Fortres leaves little room for indifference and, like all Moto Guzzi, begins by showing off the engineering of the big 90° transverse V-twin engine. Its two large cylinders seem literally to explode out of the petrol tank, helping to significantly lower and streamline the side view.

The red paint of the aluminum head covers emphasises the power this engine is capable of expressing, even in its aesthetics. With a low tail and raised front, thanks to the striking and distinctive design of the big fairing, the MGX-21 Flying Fortres takes on the appearance of a large, technological and luxurious motorcycle able to grind out the miles with a smooth ride.

Videos[edit | edit source]

References[edit | edit source]

  1. 1.0 1.1 2019 Western Power Sports Catalog. Western Power Sports. 2019.