Rieju MRT 125 AC - 2021 Specifications and Reviews

The 2021 Rieju MRT 125 AC is a lightweight enduro motorcycle designed for amateur riders seeking affordable off-road capability. Powered by a reliable 125cc single-cylinder four-stroke engine with a sturdy double cradle steel frame, it delivers nimble handling and respectable performance on trails and rough terrain. Best known for its accessibility and practicality, this bike is ideal for beginners transitioning to dirt biking or casual weekend adventures.

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General information

CategoryEnduro / offroad
Year2021
ModelRieju MRT 125 AC

Engine and Transmission Specifications

Exhaust systemRacing muffle
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemAir
Fuel systemCarburettor. Deni P2-26
Valves per Cylinder2
Bore x Stroke56.5 x 49.5 mm (2.2 x 1.9 inches)
Engine typeSingle cylinder, four-stroke
Capacity:125.0 ccm (7.63 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsAlloy Rims
Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Double piston caliper.
Rear tire130/70-17
Front tire100/80-17
Rear SuspensionMono-shock
Front SuspensionFork of Ø36mm.
Frame typeHighly resistant double cradle steel perimeter. Detachable rear sub-chassis.

Physical measures and capacities

Fuel capacity6.30 litres (1.66 US gallons)
Wheelbase1380 mm (54.3 inches)
Overall width800 mm (31.5 inches)
Overall length2070 mm (81.5 inches)
Overall height1145 mm (45.1 inches)
Seat height870 mm (34.3 inches) If adjustable, lowest setting.
Dry weight95.0 kg (209.4 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSpanish brand.
Electrical12 Volt
InstrumentsDigital
StarterElectric
Color optionsBlack/white/red, White/red/black

Performance Profile & Rider Fit

Best For

Track20%
City60%
Cornering55%
Daily Riding45%
Touring20%
Passenger15%

Rider Profile

Best ForThis is a friendly, low-intimidation machine well suited to newer riders or those upgrading from smaller learner bikes, note the specs given match a supermoto-styled small-capacity machine rather than a full enduro.
PurposeBuilt primarily as a lightweight, nimble supermoto/street-oriented small bike for zipping through urban streets and tight corners rather than serious off-road work.
Rider FitIts low dry weight and accessible seat height make it manageable for shorter or lighter riders, though the 870mm seat height still requires reasonable inseam length.
CharacterA playful, flickable little machine with road-biased 17-inch wheels, giving it sharp handling and eager turn-in at low speeds rather than raw power or stability at high speed.
Not Ideal ForNot suited to riders wanting highway touring comfort, sustained high speed cruising, or genuine dirt and rough terrain capability.

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

Rider Fit Visualizer

2021 Rieju MRT 125 AC Rider Ergonomics Assessment

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

Feet:

At 870mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2021 Rieju MRT 125 AC, with a cramped knee angle of around 75 degrees and an upright 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 Rieju MRT 125 AC is an impressive addition to the world of motorcycles. With its stylish design and powerful engine, this bike is sure to turn heads on the road. The lightweight frame and agile handling make it a joy to ride, whether you're navigating city streets or hitting the open road. The 125cc engine provides plenty of power for a thrilling riding experience, while the advanced suspension system ensures a smooth and comfortable ride. Overall, the Rieju MRT 125 AC is a top-notch motorcycle that offers a winning combination of performance, style, and value. If you're in the market for a new motorcycle, the 2021 Rieju MRT 125 AC is definitely worth considering. With its impressive features and affordable price point, this bike offers great value for riders of all experience levels. Whether you're a seasoned rider or new to the world of motorcycles, the Rieju MRT 125 AC is sure to provide a thrilling and enjoyable riding experience. Don't miss out on this impressive motorcycle that delivers on both performance and style.
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