Kawasaki Kx125 vs Aprilia Rx 125
Side-by-side comparison for used motorcycle buyers
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Kawasaki Kx125
Aprilia Rx 125
Horsepower (hp)
38 hp
15 hp
Torque (Nm)
29 Nm
13 Nm
Top Speed (km/h)
110 km/h
100 km/h
Weight (kg) — lower is better
88 kg
107 kg
Type
Motocross
Enduro
Horsepower
~38 hp @ 11,500 rpm (2003–2005 final spec)
~15 hp @ 9,000 rpm — Note: 2018+ four-stroke Euro4 model; two-stroke variants produced slightly less restricted power
Torque
~29 Nm @ 10,500 rpm (estimate for late-model spec)
~13 Nm @ 7,500 rpm — Note: estimate for the four-stroke variant
Top Speed
~110 km/h (estimate — highly dependent on gearing and conditions)
~100 km/h — Note: estimate; varies between two-stroke and four-stroke generations
Weight
~88 kg (wet/curb weight, 2005 model)
~107 kg (wet/curb weight) — Note: approximate for the modern four-stroke generation
Fuel
~4.0 L/100km or ~25 km/L (estimate — varies significantly with riding intensity; motocross use is higher consumption)
~3.5 L/100km (est. 28 km/L) — Note: estimate based on typical 125cc four-stroke off-road usage; two-stroke variants may vary
Fairing
No
No
Individual Reviews
Kawasaki Kx125
8.0/10
"A brilliant buy if you inspect carefully and ride hard."
Pros
+Razor-sharp chassis handling
+Lightweight, flickable frame
+Strong parts availability still
Cons
−Punishing if neglected
−Narrow, unforgiving powerband
−Fuel economy is terrible
Aprilia Rx 125
7.5/10
"A rewarding used buy — only if the paperwork checks out."
Pros
+Genuinely premium off-road capability
+Liquid-cooled engine runs cool
+Quality inverted fork suspension
Cons
−Expensive Aprilia parts sourcing
−Often thrashed by young owners
−Cooling system needs close inspection
Top 10 Accessories
Picks that work on either bike.
