Motus MST - 2021 Specifications and Reviews

The 2021 Motus MST is an American-built sport tourer powered by a unique 1650cc V4 engine producing 165 horsepower and strong mid-range torque. Designed for riders seeking long-distance performance with genuine sportiness, it combines comfortable ergonomics with responsive handling and cutting-edge engineering. The MST is best known for its innovative homegrown engine and appeal to touring enthusiasts who refuse to compromise on performance.

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General information

CategorySport touring
Year2021
ModelMotus MST

Engine and Transmission Specifications

Exhaust systemAkrapovic titanium mufflers
DrivelineDual overdrive. 20,000 mi XW-ring chain.
ClutchWet-type multiplate
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Fuel controlOverhead Valves (OHV)
Fuel systemInjection. Closed loop multiport electronic injection
Bore x Stroke80.0 x 67.0 mm (3.1 x 2.6 inches)
Compression11.5:1
Max RPM RPM7800
Torque167.0 Nm (17.0 kgf-m or 123.2 ft.lbs) @ 5000 RPM
Power165.0 HP (120.4 kW) @ 7200 RPM
Engine typeV4, four-stroke
Capacity:1650.0 ccm (100.68 cubic inches)
 
 

Brakes, suspension, Frame and wheels

SeatSargent seat
WheelsForged aluminum
Rear brakesSingle disc. Brembo
Diameter320 mm (12.6 inches)
Front brakesDouble disc. Brembo
Rear tire190/70-ZR17
Front tire120/70-ZR17
Rear wheel travel120 mm (4.7 inches)
Rear SuspensionProgressive mono-shock w/remote preload adjuster
Front wheel travel130 mm (5.1 inches)
Front SuspensionOhlins NIX30 adjustable
Trail108 mm (4.3 inches)
Rake (fork angle)26.0°
Frame typeHand built chromoly

Physical measures and capacities

Fuel capacity20.82 litres (5.50 US gallons)
Wheelbase1473 mm (58.0 inches)
Overall length2130 mm (83.9 inches)
Alternate seat height851 mm (33.5 inches) If adjustable, highest setting.
Seat height813 mm (32.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc265.0 kg (584.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsRide-by-wire with cruise control. Adjustable windscreen. Optional heated grips/seats. US made.
Factory warranty2 year warranty unlimited mileage
Carrying capacityRemovable side cases by Givi. Optional top case.
Electrical720w alternator
InstrumentsTFT color display
StarterElectric
Color optionsBlack, Flame Red, Iron Ore, Super Blue.

Performance Profile & Rider Fit

165 hp
Peak Power
3.3s
0-60 mph

Best For

Track45%
City45%
Cornering70%
Daily Riding65%
Touring92%
Passenger80%

Rider Profile

Best ForThis bike suits experienced riders who are comfortable managing a large, powerful, and heavy V4 sport tourer.
PurposeIt's built for covering long distances quickly and comfortably, blending American V4 muscle with genuine touring capability.
Rider FitRiders should be reasonably fit and of average-to-tall stature to comfortably manage its substantial weight and upright but sporty riding position.
CharacterThe Motus MST appeals to riders who want a rare, boutique machine with a distinctive American V4 growl and serious high-speed touring performance.
Not Ideal ForIt's not for beginners, budget-conscious buyers, or anyone seeking a lightweight, off-road-capable, or easy-to-maneuver city bike.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 Motus MST Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 813mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2021 Motus MST, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Motus MST motorcycle is a powerful and sleek machine that offers a thrilling ride for motorcycle enthusiasts. The MST features a V4 engine that delivers impressive power and performance, making it a top choice for riders who crave speed and agility. With its sporty design and advanced technology, the Motus MST is sure to turn heads on the road and provide an exhilarating experience for riders of all skill levels. In addition to its impressive performance, the 2021 Motus MST motorcycle also offers a comfortable and ergonomic riding experience. The adjustable suspension and ergonomic design make long rides a breeze, while the advanced safety features provide peace of mind for riders. Whether you're a seasoned rider or a newcomer to the sport, the Motus MST is a versatile and exciting choice for anyone looking to hit the open road in style.
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