APRILIA RS125 (2017 - on) Review

At a glance

Owners' reliability rating: 4 out of 5 (4/5)
Power: 15 bhp
Seat height: Medium (32.3 in / 820 mm)
Weight: Low (295 lbs / 134 kg)


New £4,700
Used £2,500 - £4,500

Overall rating

Next up: Ride & brakes
3 out of 5 (3/5)

Underneath all the racing razzmatazz the Aprilia RS 125 is a fairly stock four-stroke 125.

But it is the best looking one on the market, especially if you get the MotoGP rep with its quickshifter, and that still makes it the stuff of teenage dreams. At a price…

Ride quality & brakes

Next up: Engine
3 out of 5 (3/5)

While there is little to criticise about the RS’s chassis (aside from the fact it is painted and not polished) it does nothing to really distinguish itself from the likes of the Yamaha YZF-R125 or KTM RC125. The suspension is surprisingly good and it handles impressively as well as being nice and roomy for taller riders, but it’s doesn’t feel like a GP-refugee like the older two-stroke generation. It feels, slightly disappointingly considering its RS 125 name, just like its rivals…


Next up: Reliability
4 out of 5 (4/5)

The engine is all very smooth in its running thanks to a balancer shaft, and makes the required 15bhp that allows it to top 80mph, but like all small capacity four-strokes it is very flat in its performance and hits a brick wall of a rev limiter at 11,000rpm. These characteristics make it feel functional rather than two-stroke thrilling like its namesake.

Reliability & build quality

Next up: Value
4 out of 5 (4/5)

The days of the old RS 125 two-stroke nipping up are long gone and the four-stroke RS4 has a fairly proven reliability record. Much of any 125’s reliability issues stem from the owner and a general lack of maintenance, so if well looked after there should be nothing to fear. The build quality appears equally high on the RS 125.

Value vs rivals

Next up: Equipment
3 out of 5 (3/5)

With a price tag of a £4700 the RS 125 is certainly at the top end of the 125 market, but you have to remember that this is a machine built in Italy and not some far eastern country like the competition. The MotoGP rep is only £100 more and adds a quickshifter, which is very cool, but with the KTM RC125 costing £4299 and the Yamaha YZF-R125 a salty £4599, the RS 125 is still a premium machine.


3 out of 5 (3/5)

The RS’s chassis is high spec with an aluminium frame, inverted forks and a radial brake with ABS, which is cool, and the RSV4-style fairing is also a nice touch. Annoyingly, a USB port is an optional extra and you also need to pay more for smartphone connectivity.


Engine size 124cc
Engine type Four-stroke, liquid-cooled single
Frame type Aluminium
Fuel capacity 14.5 litres
Seat height 820mm
Bike weight 134kg
Front suspension 40mm inverted forks, non-adjustable
Rear suspension Single shock, non-adjustable
Front brake 1 x 300mm disc, four-piston radial caliper; ABS
Rear brake 218mm disc, one-piston caliper ABS
Front tyre size 100/80X17
Rear tyre size 130/70x17

Mpg, costs & insurance

Average fuel consumption 75 mpg
Annual road tax £25
Annual service cost -
New price £4,700
Used price £2,500 - £4,500
Insurance group -
How much to insure?
Warranty term 2 years unlimited

Top speed & performance

Max power 15 bhp
Max torque 7.7 ft-lb
Top speed -
1/4 mile acceleration -
Tank range 210 miles

Owners' reviews for the APRILIA RS125 (2017 - on)

1 owner has reviewed their APRILIA RS125 (2017 - on) and rated it in a number of areas. Read what they have to say and what they like and dislike about the bike below.

Review your APRILIA RS125 (2017 - on)

Summary of owners' reviews

Overall rating: 2 out of 5 (2/5)
Ride quality & brakes: 2 out of 5 (2/5)
Engine: 2 out of 5 (2/5)
Reliability & build quality: 4 out of 5 (4/5)
Value vs rivals: 4 out of 5 (4/5)
Equipment: 3 out of 5 (3/5)
2 out of 5 Do not buy.
15 February 2023 by Nen

Year: 2018

Wasn’t a fan at all. Sent back shortly after.

Ride quality & brakes 2 out of 5

Really hard to ride and change gears it’s not nice to ride at all.

Engine 2 out of 5

As 125’s go it’s decent but I’ve had faster farts.

Reliability & build quality 4 out of 5
Value vs rivals 4 out of 5
Equipment 3 out of 5


Buying experience: Bought from optimum bikes. Sent back as had damage on fairings which were hid.

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