Comparing the KTM 50 SX and the Aprilia SXR 125 side by side helps you weigh how each motorcycle fits your riding needs before you decide. On the engine front, the KTM 50 SX comes with a 49.9 cc unit compared to the Aprilia SXR 125's 124.45 cc, producing 5.3 bhp @ 11500 rpm and 9.61 PS @ 7500 RPM respectively. Fuel efficiency stands at 30 kmpl for the KTM 50 SX versus 40 kmpl for the Aprilia SXR 125. The full specification, pricing and feature breakdown for both motorcycles is available in the table below.
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | Liquid Cooled | Air‑cooled |
| Displacement | 49.9 cc | 124.45 cc |
| Engine Type | 1-cylinder, 2-stroke engine | Single‑cylinder, 4‑stroke, SOHC, 3‑valve, air‑cooled. |
| Power | 5.3 bhp @ 11500 rpm | 9.61 PS @ 7500 RPM |
| Torque | 5.2 Nm @ 7500 rpm | 10.19 Nm @ 5400 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 2.3 L | 7 L |
| Mileage | 30 kmpl | 40 kmpl |
Dimensions & Weight |
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| Kerb Weight | 41 | 129 |
| Seat Height | 653 | 775 |
Brakes & Suspension |
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| ABS | — | No, CBS |
| Front Brake | Disc 160 mm | Ø 220 mm disk brake with combi braking system (CBS) |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | Hydraulic double‑telescopic fork |
| Rear Brake | Disc 160 mm | Ø 140 mm drum brake |
| Rear Suspension | XACT WP mono shock | Hydraulic shock absorber |
Tyres & Wheels |
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| Front Tyre | 60/100 - 12 | 120/70‑12 |
| Rear Tyre | 2.75 - 10 | 120/70‑12 |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Alloy |
Features & Technology |
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| Headlight | — | LED |
Other Specifications |
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| Battery | — | 12 V, 5 Ah |
| Bike Image 1 | — |
|
| Bike Image 2 | — |
|
| Bike Image 3 | — |
|
| Cluster | — | Fully digital, LCD |
| Color Options | Electronic Orange | VIBRANT BLUEESSENCE WHITEENIGMA BLACKPOWER RED |
| Fuel System | — | Electronic fuel injection |
| Price Variants | STD | 475000 | STD | 121907 |
| Starter | Kick Start Only | Kick + Electric |
| Transmission | Manual | Automatic |








