Aprilia RS4 125 is an entry level sport bike from the Italian manufacturer. It carries the design elements from the liter class RSV4 and stays below 125 cc to enjoy the A1 licensing norms. It comes with 124.2 cc, 1-cylinder engine producing 14.8 BHP and 10.9 Nm of torque. The 6-speed gearbox equipped motorcycle weighs just 120 kg and carries the best in class looks. It rivals KTM RC125, Yamaha R125, Suzuki GSX-R125 and Honda CBR125R.
The Aprilia RS4 125 can be simple called the true winner out of all the 125 cc race bikes available out there. The simple reason making it the best out of all is its smooth power delivery and reliable performance figures. The bike looks much more than what it really has below the fairing as its sharp design and powerful attitude has no substitute.
Aprilia RS4 125 Price in Nepal Rs 7,60,000 
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Aprilia RS4 125 Key Specs
Aprilia equips the little machine with a 124.2 cc, liquid cooled, fuel injected engine which in turn produces 14.8 BHP and 10.9 NM of torque. The bike needs to be kept above 8000 rpm on the race time as going below creates some power delivery lag. The best a 125 cc can give is truly achieved from this little monster.
| Bodytype | Sports |
| Official Tagline | The True 125 Sport Bike Derived from Racing |
| Displacement | 124.2 cc |
| Maximum Power | 14.8 BHP @ 10500 rpm |
| Maximum Torque | 10.9 NM @ 8250 rpm |
| Seat Height | 820 mm |
| Ground Clearance | 135 mm |
| Kerb/Wet Weight | 120 kg |
| Fuel Tank Capacity | 14.5 litres |
| Top Speed | 122 kmph |
Aprilia RS4 125 Performance & Mileage
| Top Speed | 122 kmph |
| Mileage (City) | 25 kmpl |
| Mileage (Highway) | 35 kmpl |
| Mileage (Combined) | 30 kmpl |
| Mileage | 25-35 kmpl (approx.) |