Motus MST

The Motus MST was a sport touring motorcycle produced from 2014 to 2018 by Motus Motorcycles of Birmingham, Alabama. Motus was the newest motorcycle manufacturer in the United States. Motus' partner in developing the MST was race car manufacturer Pratt & Miller, who were credited with product engineering, development, testing and validation for the MST.^[6][7]

MST / MSTR

Motus MSTR
Manufacturer	Motus Motorcycles
Parent company	Birmingham Motorcycle Company
Production	2016–2018
Class	Sport Touring
Engine	1,650 cc (101 cu in) 2-valve longitudinal 90° pushrod V4
Bore / stroke	3.41 in × 2.76 in (86.5 mm × 70.0 mm)
Top speed	168.69 mph (271.48 km/h)[1]
Power	MST: 165 hp (123 kW) @ 7,700 rpm (claimed)[2][3][4] MSTR: 180 hp (130 kW) (claimed)[5]
Torque	MST: 123.0 lb⋅ft (166.8 N⋅m) @ 5,000 rpm (claimed)[2][3][4] MSTR: 126.0 lb⋅ft (170.8 N⋅m) (claimed)[5]
Transmission	6-speed, wet clutch, chain final drive
Frame type	Steel trellis
Suspension	Front:Öhlins 43mm fork adjustable for spring preload, compression and rebound damping; 5.1-in. travel Rear:Progressive shock adjustable for spring preload; 5.5-in. travel
Brakes	Front:Dual Brembo four-piston calipers, 320mm discs Rear:Brembo two-piston caliper, 200mm disc
Rake, trail	26.0°/4.25 in.
Wheelbase	58.0 inches (1,470 mm)
Seat height	32.0 in (810 mm) 33.5 in (850 mm)
Weight	500 lb (230 kg)(claimed)[2][3] (dry) 585–565 lb (265–256 kg)MST / MSTR(claimed)[2][3] (wet)
Fuel capacity	5.5 US gal (21 L; 4.6 imp gal)

The MST was powered by a 90° pushrod V4 engine that was mounted longitudinally, with its crankshaft aligned fore-and-aft. This was the first V4 ever used in an American motorcycle.^[6]

The prototype was first shown to the public at Daytona Beach Bike Week in March, 2011.^[8] The production MSTR bike was ridden at Bonneville Speedway and set the official land speed record for the world's fastest pushrod-engine production motorcycle, with speeds of 163.98 mph (263.90 km/h) and 165.81 mph (266.85 km/h) for the records and a top speed of 168.69 mph (271.48 km/h).^[9][10]