Technical specifications
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| Model: |
MGX-21 Flying Fortress |
| Years: |
2016-17 |
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Engine:
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Four stroke, 90° V-twin, SOHC, 4 valves per cylinder
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Capacity:
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1380 cc / 84.2 cu-in
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Bore x Stroke:
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104 x 81.2 mm
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Cooling System:
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Air/ oil cooled
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Compression Ratio:
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10.5:1
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Lubrication:
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Wet sump
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Exhaust:
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Three-way catalyser with lambda probe
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Timing System Diagram:
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Intake valve opens 19° BTDC (1-mm checking clearance) intake valve closes 55° ABDC exhaust valve opens 49° BBDC exhaust valve closes 12° ATDC
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Fuel Supply:
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Magneti Marelli IAW7SM; “ride by wire” Ø 52 mm throttle body, IWP 243 Magneti Marelli injectors, double oxygen sensor, integrated management of 3 engine mappings, traction control, cruise control
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Ignition:
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Phased electronic Multipoint sequential injection
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Spark Plugs:
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NGK LMAR8F, 2 per cylinder
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Starting:
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Electric
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Exhaust system:
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Stainless steel, 2-in-2 type, three-way catalytic converter with double lambda probe
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Battery:
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12V - 18 Ah
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Alternator:
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12 V - 550 W
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Max Power:
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96 hp / 71 kW @ 6500 rpm
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Max Torque:
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89 ft/lb / 120 Nm @ 2750 rpm
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Clutch:
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Single-disc with integrated anti-vibration buffer
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Transmission:
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6 speeds with final overdrive
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Final Drive:
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Shaft
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Gear Ratio:
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1st 17/38 = 1 : 2.235 2nd 20/34 = 1 : 1.700 3rd 23/31 = 1 : 1.348 4th 26/29 = 1 : 1.115 5th 31/30 = 1 : 0.968 6th 30/24 = 1 : 0.8
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Primary Drive:
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26/35 = 1: 1,346)
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Final Drive Ratio:
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Double cardan joint and fixed bevel gear seat, drive ratio 10/36 = 1: 3.6)
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Frame:
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Double cradle tubular frame in ALS steel with detachable rear subframe
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Front Suspension:
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Standard swingarm, Ø 46 mm, with radial calliper mounting bracket and telescopes on the stanchions,
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Front Wheel Travel:
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120 mm / 4.7 in
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Rear Suspension:
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Swingarm with double shock absorber with adjustable spring preload.
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Rear Wheel Travel:
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110 mm / 4.3 in
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Front Brakes:
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2x 320 mm stainless steel floating discs, Brembo radial callipers with 4 horizontally opposed pistons
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Rear Brakes:
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Single 282 mm stainless steel fixed disc, Brembo floating calliper with 2 parallel pistons
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Wheels:
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Spoked steel rims
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Front wheel:
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Aluminium alloy 3.50” x 18”
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Rear Wheel:
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Aluminium alloy 6.00” x 16”
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Front Tyre:
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130/70 R18
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Rear Tyre:
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200/60 R16
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Trail:
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109 mm / 4.2 in
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Steering Angle:
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27°50’
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Dimensions:
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Length 2445 mm / 90.2 in Width 940 mm / 37.0 in Height 1115 mm / 43.8 in
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Wheelbase:
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1695 mm / 66.7 in
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Seat Height:
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740 mm / 29.1 in
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Ground Clearance:
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165 mm / 6.4 in
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Curb Weight:
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314 kg / 701 lbs
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Fuel Capacity:
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20.5 Litres / 5.4 US gal
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Reserve:
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5 Litres / 1.3 gal
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