Rieju Marathon 125 SM Pro - 2021 Specifications and Reviews
The 2021 Rieju Marathon 125 SM Pro is a lightweight supermoto designed for riders seeking urban agility and off-road capability. Powered by a reliable Yamaha-sourced 125cc four-stroke engine with a six-speed gearbox, it excels in mixed terrain riding. The inverted front forks and steel perimeter frame deliver responsive handling for both street and trail adventures.
General information | |
| Category | Super motard |
| Year | 2021 |
| Model | Rieju Marathon 125 SM Pro |
Engine and Transmission Specifications | |
| Exhaust system | Racing muffle |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel system | Carburettor. Keihin 39s |
| Valves per Cylinder | 4 |
| Bore x Stroke | 52.0 x 58.6 mm (2.0 x 2.3 inches) |
| Engine details | Yamaha engine |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Galfer wave disk. |
| Diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. Double piston caliper. Galfer wave disk. |
| Rear tire | 130/70-17 |
| Front tire | 100/80-17 |
| Rear Suspension | Gas Mono-shock Shock absorber and Seaprate Bottle Prs System |
| Front Suspension | R16v inverted Fork of Ø40mm. |
| Frame type | Highly resistant double cradle steel perimeter. Detachable rear sub-chassis. |
| | |
Physical measures and capacities | |
| Fuel capacity | 6.30 litres (1.66 US gallons) |
| Wheelbase | 1380 mm (54.3 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall length | 2070 mm (81.5 inches) |
| Overall height | 1145 mm (45.1 inches) |
| Seat height | 870 mm (34.3 inches) If adjustable, lowest setting. |
| Dry weight | 121.0 kg (266.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Spanish brand. |
| Electrical | 12 Volt |
| Instruments | Digital |
| Starter | Electric |
| Color options | Back, white |
Performance Profile & Rider Fit
15 hp
Peak Power
14.5s
0-60 mph
Best For
Track55%
City80%
Cornering82%
Daily Riding55%
Touring20%
Passenger25%
Rider Profile
| Best For | Well suited to newer riders or those on a restricted license who want a light, playful supermoto to build skills on. |
| Purpose | Designed for flickable urban riding and sharpened cornering fun rather than outright speed or distance covering. |
| Rider Fit | Its tall seat height and slim, light chassis make it easy to manage for most body sizes despite the lofty stance. |
| Character | A nimble, high-revving small-bore supermoto that rewards an energetic, momentum-focused riding style. |
| Not Ideal For | Not a good match for riders wanting sustained highway speeds, long-distance touring comfort, or serious off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2021 Rieju Marathon 125 SM Pro is a top-notch motorcycle that offers a thrilling riding experience. With its powerful 125cc engine and lightweight design, this bike is perfect for both city commuting and off-road adventures. The SM Pro model features top-of-the-line suspension and brakes, providing excellent handling and safety on various terrains. The stylish and aggressive look of the Marathon 125 SM Pro makes it stand out from the crowd, while the comfortable seating position ensures a smooth and enjoyable ride. Overall, the 2021 Rieju Marathon 125 SM Pro is a fantastic choice for riders looking for a versatile and reliable motorcycle. Whether you're a beginner or an experienced rider, this bike offers impressive performance and agility. With its advanced features and modern design, the Rieju Marathon 125 SM Pro is definitely a standout in its class and is worth considering for anyone in the market for a new motorcycle.Add a Comment
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