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All Bikes/Compare/Lem Lb50 R vs Aprilia Rx 125

Lem Lb50 R vs Aprilia Rx 125

Side-by-side comparison for used motorcycle buyers

Lem Lb50 R vs Aprilia Rx 125. Lem Lb50 R: Estimated 6–8 hp @ 8,000–9,000 rpm (note: estimate; exact figures not widely published) hp, Estimated 45–55 kg (note: estimate for wet/curb weight; LEM bikes are known for very lightweight construction) weight, top speed Estimated 65–75 km/h (note: estimate; varies significantly based on gearing and track conditions), Motoryk rating 6.0/10. Aprilia Rx 125: ~15 hp @ 9,000 rpm — Note: 2018+ four-stroke Euro4 model; two-stroke variants produced slightly less restricted power hp, ~107 kg (wet/curb weight) — Note: approximate for the modern four-stroke generation weight, top speed ~100 km/h — Note: estimate; varies between two-stroke and four-stroke generations, Motoryk rating 7.5/10.

Performance at a Glance

Green = winner per metric · Bars are relative to the higher value

Lem Lb50 R Aprilia Rx 125
Horsepower (hp)
6 hp
15 hp
Torque (Nm)
6 Nm
13 Nm
Top Speed (km/h)
65 km/h
100 km/h
Weight (kg) — lower is better
45 kg
107 kg
Type
Motocross
Enduro
Horsepower
Estimated 6–8 hp @ 8,000–9,000 rpm (note: estimate; exact figures not widely published)
~15 hp @ 9,000 rpm — Note: 2018+ four-stroke Euro4 model; two-stroke variants produced slightly less restricted power
Torque
Estimated 6–7 Nm @ 7,000 rpm (note: estimate; official figures not widely available)
~13 Nm @ 7,500 rpm — Note: estimate for the four-stroke variant
Top Speed
Estimated 65–75 km/h (note: estimate; varies significantly based on gearing and track conditions)
~100 km/h — Note: estimate; varies between two-stroke and four-stroke generations
Weight
Estimated 45–55 kg (note: estimate for wet/curb weight; LEM bikes are known for very lightweight construction)
~107 kg (wet/curb weight) — Note: approximate for the modern four-stroke generation
Fuel
Estimated 2.0–2.5 L/100km (note: estimate, as official figures are not widely published for this competition model)
~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

Lem Lb50 R
Lem Lb50 R
6.0/10

"Decent city runabout if history checks out, avoid mystery examples."

Pros
+Solid Italian frame quality
+Decent front disc brake
+Easy urban maneuverability
Cons
CVT variator wears quickly
Soft suspension disappoints
Restricted performance frustrates fast
Aprilia Rx 125
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

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