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Comparing the KTM 50 SX and the Aprilia RS 457 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 RS 457's 457 cc, producing 5.3 bhp @ 11500 rpm and 47.6 PS (≈ 35 kW) at 9,400 rpm respectively. Fuel efficiency stands at 30 kmpl for the KTM 50 SX versus 30 kmpl for the Aprilia RS 457. The full specification, pricing and feature breakdown for both motorcycles is available in the table below.

Specification
KTM 50 SX
KTM 50 SX
KTM
Aprilia RS 457
Aprilia RS 457
Aprilia

Engine Specifications

Cooling System Liquid Cooled Liquid-cooled
Displacement 49.9 cc 457 cc
Engine Type 1-cylinder, 2-stroke engine 2 parallel forward-facing cylinders, 4 valves per cylinder
Power 5.3 bhp @ 11500 rpm 47.6 PS (≈ 35 kW) at 9,400 rpm
Torque 5.2 Nm @ 7500 rpm 43.5 Nm at 6,700 rpm

Performance & Efficiency

Fuel Tank Capacity 2.3 L 13L
Mileage 30 kmpl 30 kmpl

Dimensions & Weight

Kerb Weight 41 175
Seat Height 653 800

Brakes & Suspension

ABS Dual Channel
Front Brake Disc 160 mm Disc 320 mm 4 Piston
Front Suspension XACT 35 WP Upside-Down fork, Ø 35 mm 41mm upside-down fork, adjustable preload, 120mm travel
Rear Brake Disc 160 mm Disc 220 mm 1 Piston
Rear Suspension XACT WP mono shock Monoshock, adjustable preload, 130 mm wheel travel

Tyres & Wheels

Front Tyre 60/100 - 12 110/70 - 17
Rear Tyre 2.75 - 10 150/60 - 17
Tyre Type Tubed Tubeless
Wheel Type Spoke Alloy

Features & Technology

Headlight LED

Other Specifications

Battery 12v MF
Bike Image 1 Aprilia RS 457 photo
Bike Image 2 Aprilia RS 457 photo
Bike Image 3 Aprilia RS 457 photo
Color Options Electronic Orange Racing StripesPrismatic DarkOpalescent LightGP ReplicaCoral Snake blueArsenic yellow
Fuel System Fuel injection
Price Variants STD | 475000 STD | 422229 GP Replica | 437228
Starter Kick Start Only Self start
Transmission Manual 6-speed manual

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