14 August. Friday 2026
Rieju Marathon Pro 125 - 2011 Specifications and Reviews
The 2011 Rieju Marathon Pro 125 is a lightweight enduro bike built for amateur and recreational off-road riders seeking affordable trail performance. Its liquid-cooled four-stroke engine and modern suspension components, including Marzocchi forks and PRS mono-shock, provide reliable handling on varied terrain. The bike is best known for delivering practical enduro capability and durability at an accessible price point for budget-conscious riders.
2011
General information | |
| Category | Enduro / offroad |
| Year | 2011 |
| Model | Rieju Marathon Pro 125 |
Engine and Transmission Specifications | |
| Exhaust system | Racing Muffler |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel system | Carburettor. Keihin CVEK 30 |
| Valves per cylinder | 4 |
| Bore x stroke | 52.0 x 58.6 mm (2.0 x 2.3 inches) |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.00 ccm (7.63 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 200 mm (7.9 inches) |
| Rear brakes | Single disc. Galfer Wave |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. Galfer Wave. Double piston caliper. |
| Rear tyre dimensions | 120/80-18 |
| Front tyre dimensions | 90/90-21 |
| Rear suspension | Gas Mono-shock shock absorber PRS system |
| Front suspension | Marzocchi fork of 40mm. |
| Frame type | Double cradle. Highly resistant steel perimeter |
| | |
Physical measures and capacities | |
| Fuel capacity | 6.30 litres (1.66 gallons) |
| Wheelbase | 1,395 mm (54.9 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall length | 2,150 mm (84.6 inches) |
| Overall height | 1,200 mm (47.2 inches) |
| Seat height | 900 mm (35.4 inches) If adjustable, lowest setting. |
| Dry weight | 107.6 kg (237.2 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Blue, white |
| Electrical | 12 Volt |
| Instruments | Digital |
| Starter | Electric |
Performance Profile & Rider Fit
Best For
Track15%
City35%
Cornering55%
Daily Riding30%
Touring20%
Passenger10%
Rider Profile
| Best For | Best suited to riders with at least some off-road or dirt bike experience, as the tall seat height and light, flickable chassis reward confident standing and body positioning. |
| Purpose | This is a dedicated enduro machine built for trails, technical terrain, and off-road exploration rather than fast road use. |
| Rider Fit | The tall 900mm seat height and minimal weight favor taller or more agile riders comfortable throwing their leg over a lean, dirt-oriented bike. |
| Character | A lightweight, high-revving single-cylinder enduro with premium suspension components that feels playful and responsive on loose or uneven surfaces. |
| Not Ideal For | Not a good fit for riders wanting a comfortable long-distance road tourer or someone seeking strong outright speed and highway stability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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