Rieju MRT 125 SM AC - 2021 Specifications and Reviews
The 2021 Rieju MRT 125 SM AC is a lightweight super motard designed for riders seeking agile urban performance and weekend fun. Its 125cc four-stroke single-cylinder engine delivers accessible power with a racing muffler character, while the steel perimeter frame and quality suspension components provide responsive handling for both commuting and spirited riding.
2021
General information | |
| Category | Super motard |
| Year | 2021 |
| Model | Rieju MRT 125 SM AC |
Engine and Transmission Specifications | |
| Exhaust system | Racing muffle |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel system | Carburettor. Deni P2-26 |
| Valves per Cylinder | 2 |
| Bore x Stroke | 56.5 x 49.5 mm (2.2 x 1.9 inches) |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Alloy Rims |
| Rear brakes | Single disc |
| Diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc. Double piston caliper. |
| Rear tire | 130/70-17 |
| Front tire | 100/80-17 |
| Rear Suspension | Mono-shock |
| Front Suspension | Fork of Ø36mm. |
| 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 | 95.0 kg (209.4 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 | Black, White |
Performance Profile & Rider Fit
Best For
Track55%
City78%
Cornering82%
Daily Riding50%
Touring20%
Passenger25%
Rider Profile
| Best For | Best suited to new-to-intermediate riders who want a light, forgiving small-bore machine to sharpen their cornering skills. |
| Purpose | Designed as a nimble, air-cooled supermoto for playful street riding, tight urban roads, and casual backroad carving rather than outright speed. |
| Rider Fit | Its low dry weight and accessible 870mm seat height make it easy to manage for shorter or less experienced riders, though the tall-ish stance still requires reasonable inseam reach. |
| Character | A flickable, minimalist supermoto with sporty road-biased tires and a punchy little single that rewards momentum-carrying, corner-hunting riding over straight-line speed. |
| Not Ideal For | Not a good fit for riders wanting sustained highway touring, serious off-road capability, or strong two-up passenger comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2021 Rieju MRT 125 SM AC is a powerful and stylish motorcycle that is perfect for both urban commuting and off-road adventures. Its 125cc engine delivers impressive performance, making it a top choice for riders looking for a smooth and exhilarating ride. The bike's sleek design and comfortable handling make it a standout option in its class, cementing Rieju's reputation for crafting high-quality and reliable motorcycles. Rieju has equipped the MRT 125 SM AC with top-notch features such as a lightweight frame, advanced suspension system, and responsive braking, ensuring a safe and enjoyable riding experience. Additionally, the bike boasts a modern and eye-catching aesthetic, making it a head-turner on the streets. With its combination of power, style, and functionality, the 2021 Rieju MRT 125 SM AC is a fantastic choice for motorcycle enthusiasts looking for a versatile and high-performing bike.Add a Comment
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