Suzuki Rmz450 vs Yamaha Yz250f — which has more power?

Suzuki Rmz450 produces ~56 hp @ 9,000 rpm (estimate based on dyno testing of modern RM-Z450); Yamaha Yz250f produces ~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less). Suzuki Rmz450 wins by 16 hp.

Suzuki Rmz450 vs Yamaha Yz250f — which is faster?

Top speed: Suzuki Rmz450 ~145 km/h (estimate; top speed is not a primary design focus for motocross bikes), Yamaha Yz250f ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer).

Suzuki Rmz450 vs Yamaha Yz250f — which is lighter?

Weight: Suzuki Rmz450 111 kg (curb/wet weight — 2023 model), Yamaha Yz250f ~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier).

Suzuki Rmz450 vs Yamaha Yz250f — which is more reliable?

Motoryk rates Suzuki Rmz450 7.5/10 and Yamaha Yz250f 8.5/10. Yamaha Yz250f scores higher on the overall verdict. Suzuki Rmz450 caveat: Beginners or riders skipping regular service intervals. Yamaha Yz250f caveat: You want a mystery-history bargain basement deal.

Suzuki Rmz450 vs Yamaha Yz250f — which is better for beginners?

Yamaha Yz250f is the friendlier choice for a first bike — 40 hp is manageable. The Suzuki Rmz450 is better held for a second bike.

Suzuki Rmz450 vs Yamaha Yz250f — which should I commute on daily?

Both can commute, but lighter weight and gentler power win in traffic. Suzuki Rmz450: 111 kg, 56 hp. Yamaha Yz250f: 105 kg, 40 hp.

Suzuki Rmz450 vs Yamaha Yz250f

Q: Suzuki Rmz450 vs Yamaha Yz250f — which is more fuel-efficient?

Fuel use: Suzuki Rmz450 ~6.5 L/100km (estimate; varies greatly with riding intensity — motocross use is highly variable), 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

Suzuki Rmz450 vs Yamaha Yz250f. Suzuki Rmz450: ~56 hp @ 9,000 rpm (estimate based on dyno testing of modern RM-Z450) hp, 111 kg (curb/wet weight — 2023 model) weight, top speed ~145 km/h (estimate; top speed is not a primary design focus for motocross bikes), Motoryk rating 7.5/10. 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.

Suzuki Rmz450

Yamaha Yz250f

Performance at a Glance

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

Suzuki Rmz450 Yamaha Yz250f

Horsepower (hp)

56 hp

40 hp

Torque (Nm)

52 Nm

26 Nm

Top Speed (km/h)

145 km/h

Weight (kg) — lower is better

111 kg

105 kg

Type

Motocross

Horsepower

~56 hp @ 9,000 rpm (estimate based on dyno testing of modern RM-Z450)

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

Torque

~52 Nm @ 7,500 rpm (estimate)

~26 Nm @ 10,000 rpm (estimated)

Top Speed

~145 km/h (estimate; top speed is not a primary design focus for motocross bikes)

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

Weight

111 kg (curb/wet weight — 2023 model)

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

Fuel

~6.5 L/100km (estimate; varies greatly with riding intensity — motocross use is highly variable)

~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