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Technical Overview
2013 Rieju Marathon 125 AC Technical Analysis & Specification Breakdown
Engineered by Rieju for the enduro - offroad motorcycle segment, the 2013 Rieju Marathon 125 AC features a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 54.0 x 54.0 mm (2.1 x 2.1 inches).
On the scales, the Marathon 125 AC measures 105 kg (231 lbs) dry. Rider ergonomics and chassis geometry center around a 850 mm (33.5 in) seat height — resulting in a taller command-style riding posture suited to medium-to-tall inseams, combined with a 1,405 mm (55.3 in) wheelbase engineered for quick, flickable steering geometry. The 6.3-liter (1.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
850 mm (33.5 in)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Bore x Stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Valves/Cylinder4
Fuel SystemCarburettor. VM26SS
CoolingAir
Transmission
Gearbox6-speed
Final DriveChain (final drive)
Performance
ExhaustRacing Muffle
Chassis
Frame TypeSteel dual beam perimeter
Front SuspensionFork of Ø36mm.
Rear SuspensionMono-shock shock absorber
Wheelbase1405 mm (55.3 inches)
Wheels & Brakes
Front Tyre90/90-21
Rear Tyre120/80-18
Front BrakesSingle disc. Double piston caliper.
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Ø200 mm (7.9 inches)
WheelsAlloy Rims
Dimensions & Weight
Dry Weight105.0 kg (231.5 pounds)
Seat Height850 mm (33.5 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
