Enduro Bikes

2011Rieju MRT 50

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The 2011 Rieju MRT 50 is a lightweight enduro bike ideal for novice off-road riders and young enthusiasts. Powered by a liquid-cooled Minarelli two-stroke engine, it delivers nimble handling and reliable performance across varied terrain. The robust steel frame and quality suspension make it a dependable entry-level machine for trail riding.

Capacity: 50.0 ccm
Engine: Single, two-stroke
Gearbox: 6-speed
Dry weight: 92.6 kg
Seat height: 910 mm
Power: 5.4 HP (4.0 kW)

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What’s new for the 2011 Rieju MRT 50

vs the 2010

Spec	2010	2011
Front suspension	R fork of Ø36mm.	R fork, 36mm.

Other years 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail88%

Cornering55%

City riding40%

Daily riding25%

Touring15%

Two-up5%

Track15%

Best for: Designed for off-road trail riding, light enduro competition, and learning technical dirt riding skills rather than any road-focused use.
Built for: A lightweight, high-revving two-stroke enduro mini bike that rewards momentum, throttle discipline, and active body positioning over raw power.
Not ideal for: Not suitable for highway travel, long-distance touring, carrying a passenger, or riders seeking strong outright speed.

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 910mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2011 Rieju MRT 50, with a cramped knee angle of around 80 degrees and an upright 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 over 900 mm — Sky High →

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Full specifications

Engine

Capacity: 50.0 ccm
Power: 5.4 HP (4.0 kW)
Engine type: Single, two-stroke
Power/weight ratio: 0.0583 HP/kg (dry)
Bore x stroke: 40.3 x 39.0 mm
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick
Lubrication system: Separate Mixture
Torque: Not on record - add it

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet multidisk

Dimensions & weight

Wheelbase: 1395 mm
Overall length: 2150 mm
Overall width: 800 mm
Overall height: 1200 mm
Seat height: 910 mm
Dry weight: 92.6 kg
Fuel capacity: 6.30 litres
Oil capacity: 1.10 litres
Ground clearance: Not on record - add it

Chassis & suspension

Frame: Highly resistant double cradle steel perimeter.
Front suspension: R fork, 36mm.
Rear suspension: Mono-shock shock absorber

Brakes & wheels

Front brakes: Single disc
Front brakes diameter: 220 mm
Rear brakes: Single disc
Rear brakes diameter: 180 mm
Front tyre: 80/90-21
Rear tyre: 110/80-18

Other

Color options: White/orange, black

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

What changed, year to year

Differences highlighted

Specification	2010	2011	2014	2017	2021	2024
Capacity	50 cc	50 cc	50 cc	50 cc	50 cc	50 cc
Dry weight	93 kg	93 kg	85 kg	85 kg	85 kg	85 kg
Seat height	910 mm	910 mm	850 mm	890 mm	890 mm	890 mm
Fuel capacity	6.3 L	6.3 L	6.3 L	6.3 L	6.3 L	6.3 L