14 August. Friday 2026
Sinnis RSX125 - 2021 Specifications and Reviews
The 2021 Sinnis RSX125 is a lightweight naked bike perfectly suited for novice riders and commuters seeking an affordable, practical machine. Its 125cc air-cooled engine delivers manageable power with modern EFI fuel injection, while the adjustable monoshock suspension provides decent handling for urban riding and weekend adventures.
2021
General information | |
| Category | Naked bike |
| Year | 2021 |
| Model | Sinnis RSX125 |
| | |
Engine and Transmission Specifications | |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Injection. EFI |
| Power | 11.0 HP (8.0 kW) @ 9500 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Hydraulic. |
| Diameter | 280 mm (11.0 inches) |
| Front brakes | Single disc. Hydraulic. |
| Rear tire | 100/70-17 |
| Front tire | 100/70-17 |
| Rear Suspension | Adjustable Single Monoshock |
| Front Suspension | Telescopic forks |
Physical measures and capacities | |
| Fuel capacity | 13.50 litres (3.57 US gallons) |
| Wheelbase | 1330 mm (52.4 inches) |
| Overall width | 864 mm (34.0 inches) |
| Overall length | 2065 mm (81.3 inches) |
| Overall height | 1070 mm (42.1 inches) |
| Seat height | 800 mm (31.5 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.0786 HP/kg |
| Dry weight | 140.0 kg (308.6 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Instruments | Semi-digital |
| Starter | Electric |
| Color options | Pearl White, Midnight Purple |
Performance Profile & Rider Fit
11 hp
Peak Power
Best For
Track15%
City82%
Cornering45%
Daily Riding75%
Touring25%
Passenger30%
Rider Profile
| Best For | This is an entry-level 125cc naked bike best suited to new riders, learners, or those on a restricted licence. |
| Purpose | It's designed primarily for commuting and urban riding rather than performance or long-distance travel. |
| Rider Fit | The low 800mm seat height and light 140kg weight make it accessible and manageable for riders of most sizes, including shorter or less experienced ones. |
| Character | It has a friendly, unintimidating personality with modest power delivered smoothly, making it easy to build confidence on. |
| Not Ideal For | It's not for experienced riders seeking speed, motorway overtaking power, or serious touring and off-road capability. |
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 Sinnis RSX125 motorcycle is a sleek and stylish option for riders looking for a powerful yet affordable bike. With its 124cc engine and sporty design, this motorcycle delivers an exhilarating riding experience. The RSX125 is perfect for both novice and experienced riders, offering a comfortable and responsive ride with its advanced suspension system. Additionally, its modern features such as LED lights and digital display add a touch of sophistication to the overall look of the bike. Overall, the 2021 Sinnis RSX125 motorcycle is a great choice for those in the market for a reliable and affordable bike. Its powerful engine, sporty design, and modern features make it a standout option for riders of all experience levels. Whether you're commuting to work or hitting the open road, the RSX125 delivers a smooth and enjoyable riding experience. With its competitive price point and impressive performance, this motorcycle is a solid investment for any rider looking for a versatile and stylish bike.Add a Comment
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