Rieju Marathon Supermotard 125 - 2013 Specifications and Reviews

The 2013 Rieju Marathon Supermotard 125 is an entry-level supermotard designed for young riders and beginners seeking versatile street and light off-road capability. Powered by a liquid-cooled single-cylinder four-stroke engine, it combines agility with practical durability through its steel perimeter frame and quality suspension components. Known for its affordability and manageable power delivery, this model excels as a stepping stone into the supermotard category.

2013
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General information

CategorySuper motard
Year2013
ModelRieju Marathon Supermotard 125

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Fuel systemCarburettor. KEIHIN CVEK30
Valves per cylinder4
Bore x stroke52.0 x 58.6 mm (2.0 x 2.3 inches)
Engine typeSingle cylinder, four-stroke
Capacity:125.00 ccm (7.63 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter200 mm (7.9 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc. 2-piston
Rear tyre dimensions130/70-17
Front tyre dimensions100/80-17
Rear suspensionMono-shock
Front suspensionFork of Ø36mm.
Frame typeDouble cradle. Highly resistant steel perimeter

Physical measures and capacities

Fuel capacity6.30 litres (1.66 gallons)
Wheelbase1,395 mm (54.9 inches)
Overall length2,150 mm (84.6 inches)
Seat height900 mm (35.4 inches) If adjustable, lowest setting.
Dry weight106.5 kg (234.8 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSpanish brand.
Electrical12 Volt battery
InstrumentsDigital dashboard
StarterElectric

Performance Profile & Rider Fit

Best For

Track40%
City78%
Cornering82%
Daily Riding50%
Touring20%
Passenger25%

Rider Profile

Best ForBest suited to newer or younger riders building skills, though its light, flickable nature can still amuse experienced riders in town.
PurposeDesigned as a nimble supermotard for tight city streets, playful cornering, and short sporty rides rather than long-distance travel.
Rider FitIts low dry weight and tall but narrow seat make it manageable for riders of average or smaller stature, though the high seat height may challenge shorter riders.
CharacterA light, minimalist single-cylinder machine that rewards eager throttle use and quick direction changes over outright speed.
Not Ideal ForNot suited for riders wanting high-speed touring, motorway cruising, or carrying a passenger in comfort over long distances.

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

Rider Fit Visualizer

2013 Rieju Marathon Supermotard 125 Rider Ergonomics Assessment

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

Feet:

At 900mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2013 Rieju Marathon Supermotard 125, with a relaxed knee angle of around 140 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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