2024Marine Turbine Technologies 420 RR

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The 2024 MTT 420 RR is the opposite of a 650 trail bike. A Rolls-Royce Allison-derived gas turbine, dry-sump lubricated, is rated at 420 hp and 678 Nm at only 2,000 rpm, with a 52,000 rpm turbine speed and a 2-speed manual. Carbon bodywork, 55 mm inverted fork, Öhlins monoshock and Brembo four-piston discs sit on a tubular aluminum frame; claimed dry weight is about 227 kg and the tank holds 34 litres of diesel or kerosene. MTT also builds a three-wheel version. US company, custom colours.

Capacity: Not on record
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Engine: Turbine
Gearbox: 2-speed
Dry weight: 226.8 kg
Seat height: 800 mm
Power: 420.0 HP (306.6 kW) @ 52000 RPM

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering75%

City riding30%

Daily riding25%

Touring35%

Two-up20%

Track90%

Best for: Built 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.
Built for: It 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 for: It is not suitable for beginners, commuters, off-road use, or anyone seeking a comfortable, economical, or low-maintenance everyday ride.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2024 Marine Turbine Technologies 420 RR, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine

Power: 420.0 HP (306.6 kW) @ 52000 RPM
Torque: 678.0 Nm (69.1 kgf-m) @ 2000 RPM
Engine type: Turbine
Power/weight ratio: 1.8519 HP/kg (dry)
Starting: Electric
Lubrication system: Dry-sump, 3.5-qts turbine oil
Capacity:: Not on record - add it

Transmission

Gearbox: 2-speed
Transmission type: Manual

Dimensions & weight

Wheelbase: 1727 mm
Seat height: 800 mm
Dry weight: 226.8 kg
Fuel capacity: 34.00 litres
Oil capacity: 3.30 litres
Reserve fuel capacity: 6.00 litres

Chassis & suspension

Frame: Tubular aluminum alloy.
Front suspension: Inverted fork, 55 mm
Rear suspension: Mono-shock adjustable, oleo-pneumatic, Ohlins
Rake (fork angle): 27.0°

Brakes & wheels

Front brakes: Double disc. Brembo, 4 piston calipers
Front brakes diameter: 320 mm
Rear brakes: Single disc. Brembo, 4 piston calipers
Front tyre: 120/60-ZR17
Rear tyre: 200/50-ZR17

Other

Color options: Custom Colors
Comments: Diesel and Kerosene fuel. Carbon fiber fairings. MTT also offers a three-wheeled trike version of the 420RR. US company.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.