Motorcycle specifications ApriliaSX 125 2025 Game start
presentation of the SX 125 2025
Supermotard bikes are successful in competition, or in the 50 class, or even with big watts like Ducati or KTM. But in the realm of the 125, very few machines are brandishing the banner. It's a good thing that Aprilia is perpetuating the existence of its SX 125 to offer Supermot' to young enthusiasts.
As well as adopting the engine to the Euro5+ dogma, the Noale-based company has decided to give it a facelift. The headlight and nameplate are tighter and more serious. The shoulders have been redesigned with a more vertical orientation, more present, less protruding; one could almost guess a hint of Dorsoduro, the brand's former big SM. The exhaust silencer is more compact and black, with a triangular rear section. The SX 125 seems to have matured.
As for the instrumentation, the change is very flattering. The small monochromatic LCD display has given way to a multicolored window with warm, enthusiastic accents. Nothing is missing: speed, engine rpm with color gradation, gear engaged, temperature gauge, clock, top speed, riding info, double trip, fuel consumption.... or almost; it's a shame Aprilia didn't install a fuel gauge.
this neat-looking motorcycle is not designed to impress, but to offer its rider sport. Around its steel frame, the bike boasts high suspension travels (240 - 220 mm) to cope with a variety of bumps and bumps. Aprilia has placed the emphasis on technology, with ABS as standard and anti-lift function for the rear wheel. A first in the category, implemented in 2018. This kind of steering assistance is only found on much larger-displacement machines.
you'll be able to brake hard and take a piggyback ride, pushing the bike into a muscular ride to get the best out of it via its chassis. The powerplant will be more measured. The 125 cm3, 4-stroke, single-cylinder engine is as clean as it is modern, but can expect no more than the 15 hp allowed by law. Enough to have a laugh, but not enough to do anything heavy. The standard hasn't deprived it of power, but now you have to look for watts and maximum torque at 500 rpm.
the SX and its off-road cousin, the RX, share the same engine and chassis structure. To be efficient on its playground, the SX features 17-inch spoked wheels, sport tires and a larger front brake disc (300 mm). A USB socket is available as an option, as are machined aluminum parts, a clothing line, goggles and a few fashion accessories.
M.B - Manufacturer's photos
by Greg
Greg is the founder of Motoplanete—a website created in 2001 to share his passion with his friends and showcase as many motorcycle models as possible to his readers. Self-taught and a jack-of-all-trades, his discovery of the world of motorcycles led him to work as a photographer, rider, team manager, web developer, graphic designer, editorial assistant, and editor-in-chief.
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Key facts Aprilia SX 125 (2025) : What you need to know before you buy
Prices
| Basic version | |
|---|---|
 France |
4,499€
|
 Belgium |
4,199€
|
 Germany |
4,199€
|
 Italy |
4,199€
|
 Spain |
3,699€
|
 United Kingdom |
£3,530
|
 Switzerland |
4,195CH
|
 Luxembour |
4,069€
|
Performance
- Max speed : approximately 120 km/h (74.60 mph)
- Average fuel consumption : 2.60 liters/100km (0.90 mpg)
-
Estimated range
: 269 km (167 miles)
Calculated range until tank is empty, not verified.
Specifications Aprilia SX 125 2025
- Chassis
- Two-seater saddle
- Frame : Double cradle steel frame
- Fuel capacity : 7 liters (1.85 US gallons)
- Seat height : 880 mm (34.65 in)
- Length : 2,075 mm (81.69 in)
- Width : 820 mm (32.28 in)
- Min height : 1,140 mm (44.88 in)
- Wheelbase : 1,425 mm (56.10 in)
- Weight when fully loaded : 136 kg (300 lb)
- Front axle
- Reverse telehydraulic fork Ø 41 mm, Wheel travel : 240 mm (9.45 in)
- Braking 1 disc Ø 300 mm (11.81 in), 2-piston caliper
- Front tire : 100 / 80 - 17 → Order this type of tire
- Transmission
- 6 stage gearbox , manual
- Secondary by chain
- Rear axle
- Mono-damper, Wheel travel : 220 mm (8.66 in)
- Braking 1 disc Ø 218 mm (8.58 in), single-piston caliper
- Rear tire : 130 / 70 - 17 → Order this type of tire
- Motor
- single-cylinder , 4 strokes
- Injection Ø 32 mm
- Cooling system : liquid
- 2 ACT
- 4 valves
- 124.20 cc
- 15 ch (14.80 hp) to 10,500 rpm
- 1.17 mkg to 8,500 rpm
- Power-to-weight ratio : approximately 8.7 kg/ch
- Weight / torque ratio : approximately 110.01 kg/mkg
- Compression : 12-12.6 : 1
- Starting system : electric
- CO² emissions: 60 g/km
- Standard equipment
- Brake assist : ABS
- Spoke wheels
- Gear indicator
- Practical information
Essentials
Motoblouz
LaBécanerie
Maxxess
Speedway
Gallery
Models
2026
2025
Compare the SX 125 to its competitors
Fuel consumption
Range
Torque
Power
Power-to-Weight ratio
Torque-to-Weight ratio
Speed
CO² emissions
FAQ Your frequently asked questions about the SX 125 2025
- What is the power of the SX 125 2025?
-
The SX 125 2025 develops a power of 15 ch (14.80 hp)
- What is the torque of the SX 125 2025?
-
The maximum torque of the SX 125 2025 is 1.17 mkg to 8,500 rpm.
- What is the maximum speed of the SX 125 2025?
-
The SX 125 2025 is capable of reaching a top speed of approximately 120 km/h (74.60 mph) on the track.
- What is the weight of the SX 125 2025?
-
The SX 125 2025 has a a weight when fully loaded of 136 kg (300 lb).
- What is the fuel consumption of the SX 125 2025?
-
Average fuel consumption is estimated at 2.60 l/100km (0.90 mpg) according to the WMTC cycle.
- QWhat is the seat height of the SX 125 2025?
-
To ensure good accessibility, the SX 125 2025 offers a minimum seat height of 880 mm (34.65 in).
- What is the price of the SX 125 2025?
-
The price of the SX 125 2025 is £3,530 in United Kingdom. It is displayed at 3,699€ in Spain, at 4,069€ in Luxembour, at 4,195CH in Switzerland, at 4,199€ in Belgium, in Germany, in Italy and at 4,499€ in France.
- What colors are available for the SX 125 2025?
-
For the 2025 model year, the SX 125 is available in several colors: red / black and white.
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