Lem Lb50 R vs Yamaha Yz250f — which has more power?

Lem Lb50 R produces Estimated 6–8 hp @ 8,000–9,000 rpm (note: estimate; exact figures not widely published); Yamaha Yz250f produces ~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less). Yamaha Yz250f wins by 34 hp.

Lem Lb50 R vs Yamaha Yz250f — which is faster?

Top speed: Lem Lb50 R Estimated 65–75 km/h (note: estimate; varies significantly based on gearing and track conditions), Yamaha Yz250f ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer). Yamaha Yz250f is the faster of the two.

Lem Lb50 R vs Yamaha Yz250f — which is lighter?

Weight: Lem Lb50 R Estimated 45–55 kg (note: estimate for wet/curb weight; LEM bikes are known for very lightweight construction), Yamaha Yz250f ~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier). Lem Lb50 R is lighter by 60 kg.

Lem Lb50 R vs Yamaha Yz250f — which is more reliable?

Motoryk rates Lem Lb50 R 6.0/10 and Yamaha Yz250f 8.5/10. Yamaha Yz250f scores higher on the overall verdict. Lem Lb50 R caveat: You need reliability beyond city limits. Yamaha Yz250f caveat: You want a mystery-history bargain basement deal.

Lem Lb50 R vs Yamaha Yz250f — which is better for beginners?

Both are reasonable first-bike candidates. Lem Lb50 R: 6 hp. Yamaha Yz250f: 40 hp.

Lem Lb50 R vs Yamaha Yz250f — which should I commute on daily?

Both can commute, but lighter weight and gentler power win in traffic. Lem Lb50 R: 45 kg, 6 hp. Yamaha Yz250f: 105 kg, 40 hp.

Lem Lb50 R vs Yamaha Yz250f

Q: Lem Lb50 R vs Yamaha Yz250f — which is more fuel-efficient?

Fuel use: Lem Lb50 R Estimated 2.0–2.5 L/100km (note: estimate, as official figures are not widely published for this competition model), Yamaha Yz250f ~5.5 L/100km / ~18 km/L (estimated; varies significantly with riding intensity — note: off-road/motocross use makes precise figures difficult to pin down). Real-world economy varies by rider weight, traffic, and how hard the throttle gets twisted.

Side-by-side comparison for used motorcycle buyers

Lem Lb50 R vs Yamaha Yz250f. 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. Yamaha Yz250f: ~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less) hp, ~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier) weight, top speed ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer), Motoryk rating 8.5/10.

Lem Lb50 R

Yamaha Yz250f

Performance at a Glance

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

Lem Lb50 R Yamaha Yz250f

Horsepower (hp)

6 hp

40 hp

Torque (Nm)

6 Nm

26 Nm

Top Speed (km/h)

65 km/h

145 km/h

Weight (kg) — lower is better

45 kg

105 kg

Type

Motocross

Horsepower

Estimated 6–8 hp @ 8,000–9,000 rpm (note: estimate; exact figures not widely published)

~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less)

Torque

Estimated 6–7 Nm @ 7,000 rpm (note: estimate; official figures not widely available)

~26 Nm @ 10,000 rpm (estimated)

Top Speed

Estimated 65–75 km/h (note: estimate; varies significantly based on gearing and track conditions)

~145 km/h (estimated; not designed for top speed — purpose-built motocross racer)

Weight

Estimated 45–55 kg (note: estimate for wet/curb weight; LEM bikes are known for very lightweight construction)

~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier)

Fuel

Estimated 2.0–2.5 L/100km (note: estimate, as official figures are not widely published for this competition model)

~5.5 L/100km / ~18 km/L (estimated; varies significantly with riding intensity — note: off-road/motocross use makes precise figures difficult to pin down)

Fairing