Marine Turbine Technologies 420 RR - 2021 Specifications and Reviews

The 2021 Marine Turbine Technologies 420 RR is an experimental sport motorcycle powered by a Rolls Royce gas turbine engine producing 420 horsepower. Built for adventurous riders seeking extreme performance and engineering innovation, it's best known for its unconventional turbine powertrain and stunning acceleration capabilities. This unique machine represents automotive engineering pushed to its limits.

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General information

CategorySport
Year2021
ModelMarine Turbine Technologies 420 RR

Engine and Transmission Specifications

Driveline2-speed, automatic
Transmission typeChain   (final drive)
Gearbox2-speed
Lubrication systemDry-sump, 3.5-qts turbine oil
Max RPM RPM54000
Torque678.0 Nm (69.1 kgf-m or 500.1 ft.lbs) @ 2000 RPM
Power420.0 HP (306.6 kW) @ 52000 RPM
Engine detailsRolls Royce Allison – 250-C20 Series Gas Turbine
Engine typeGas turbine
 
 

Brakes, suspension, Frame and wheels

WheelsPirelli tyres
Rear brakesSingle disc. Brembo, 4 piston calipers
Diameter320 mm (12.6 inches)
Front brakesDouble disc. Brembo, 4 piston calipers
Rear tire200/50-ZR17
Front tire120/60-ZR17
Rear SuspensionMono-shock adjustable, oleo-pneumatic, Ohlins
Front SuspensionInverted fork, 55 mm
Rake (fork angle)27.0°
Frame typeTubular aluminum alloy.
 
 

Physical measures and capacities

Oil capacity3.30 litres (3.49 US quarts)
Reserve fuel capacity6.00 litres (1.59 US gallons)
Fuel capacity34.00 litres (8.98 US gallons)
Wheelbase1727 mm (68.0 inches)
Seat height800 mm (31.5 inches) If adjustable, lowest setting.
Power/weight ratio1.8519 HP/kg
Dry weight226.8 kg (500.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsCarbon fiber fairings. MTT also offers a three-wheeled trike version of the 420RR. US company.
InstrumentsColor dash
StarterElectric
Color optionsCustom Colors

Performance Profile & Rider Fit

420 hp
Peak Power
2.5s
0-60 mph

Best For

Track90%
City30%
Cornering75%
Daily Riding25%
Touring35%
Passenger20%

Rider Profile

Best ForThis is an extreme, highly specialized machine intended only for expert riders who have mastered high-power, high-torque motorcycles and turbine-specific behavior.
PurposeBuilt as a jaw-dropping showcase of turbine power and straight-line speed rather than a practical sportbike, it exists primarily for spectacle, drag-style acceleration, and bragging rights.
Rider FitThe low seat height and sportbike ergonomics are manageable, but the violent torque delivery and unique throttle response demand strong physical control and quick reflexes.
CharacterIt has the soul of a jet-powered dragster wrapped in supersport styling, delivering brutal, turbine-smooth acceleration unlike anything from a conventional piston engine.
Not Ideal ForIt is not suitable for beginners, commuters, off-road use, or anyone seeking a comfortable, economical, or low-maintenance everyday ride.

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

Rider Fit Visualizer

2021 Marine Turbine Technologies 420 RR Rider Ergonomics Assessment

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Feet:

At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Marine Turbine Technologies 420 RR, 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 Marine Turbine Technologies 420 RR motorcycle is a powerful and sleek machine that is sure to turn heads. With its innovative turbine engine, this bike offers unparalleled speed and performance. The sleek design and advanced technology of this motorcycle make it a top choice for riders looking for a high-performance machine that stands out from the crowd. The 2021 Marine Turbine Technologies 420 RR motorcycle is a game-changer in the world of motorcycles. Its turbine engine provides unmatched power and speed, making it a top pick for adrenaline junkies and performance enthusiasts. With its cutting-edge design and advanced technology, this bike is sure to make a lasting impression on riders who are looking for a truly unique and high-performance machine.
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