Rieju Marathon 125 - 2012 Specifications and Reviews

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General information

CategoryEnduro / offroad
ModelRieju Marathon 125
Year2012
 
 

Engine and Transmission Specifications

Exhaust systemRacing Muffler
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel systemCarburettor
Valves per cylinder4
Bore x stroke52.0 x 58.6 mm (2.0 x 2.3 inches)
Power15.00
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 dimensions120/80-18
Front tyre dimensions90/90-21
Rear suspensionMono-shock
Front suspensionPAIOLI fork of 37mm.
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 width800 mm (31.5 inches)
Overall length2,150 mm (84.6 inches)
Overall height1,200 mm (47.2 inches)
Seat height900 mm (35.4 inches) If adjustable, lowest setting.
Power/weight ratio0.1394 HP/kg
Dry weight107.6 kg (237.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsWhite/red, black
Electrical12 Volt battery
InstrumentsDigital dashboard
StarterElectric

Performance Profile & Rider Fit

Best For

Track15%
City45%
Cornering55%
Daily Riding35%
Touring20%
Passenger10%

Rider Profile

Best ForBest suited to beginner or intermediate riders looking to learn trail and offroad skills on a light, forgiving 125cc machine.
PurposeDesigned primarily for enduro and offroad trail riding rather than speed or long-distance road use.
Rider FitThe tall 900mm seat height and light 107.6kg dry weight favor riders comfortable standing on pegs and shifting body weight on rough terrain, but may challenge shorter riders at a stop.
CharacterA nimble, playful lightweight trail bike that rewards active riding style and skilled low-speed control over raw power.
Not Ideal ForNot a good fit for riders wanting highway speed, passenger comfort, or long-distance touring capability.

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

Rider Fit Visualizer

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

Feet:

At 900mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2012 Rieju Marathon 125, with a cramped knee angle of around 80 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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