Gas Gas Mc 450f vs Yamaha Yz250f — which has more power?

Gas Gas Mc 450f produces ~63 hp @ 9,900 rpm (estimated, closely mirrors KTM 450 SX-F figures); Yamaha Yz250f produces ~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less). Gas Gas Mc 450f wins by 23 hp.

Gas Gas Mc 450f vs Yamaha Yz250f — which is faster?

Top speed: Gas Gas Mc 450f ~145 km/h (estimated; off-road/motocross bikes are not typically tested for top speed), Yamaha Yz250f ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer).

Gas Gas Mc 450f vs Yamaha Yz250f — which is lighter?

Weight: Gas Gas Mc 450f 101 kg (wet/curb weight), Yamaha Yz250f ~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier). Gas Gas Mc 450f is lighter by 4 kg.

Gas Gas Mc 450f vs Yamaha Yz250f — which is more reliable?

Motoryk rates Gas Gas Mc 450f 8.0/10 and Yamaha Yz250f 8.5/10. Yamaha Yz250f scores higher on the overall verdict. Gas Gas Mc 450f caveat: You skip service intervals or hate wrenching. Yamaha Yz250f caveat: You want a mystery-history bargain basement deal.

Gas Gas Mc 450f vs Yamaha Yz250f — which is better for beginners?

Yamaha Yz250f is the friendlier choice for a first bike — 40 hp is manageable. The Gas Gas Mc 450f is better held for a second bike.

Gas Gas Mc 450f vs Yamaha Yz250f — which should I commute on daily?

Both can commute, but lighter weight and gentler power win in traffic. Gas Gas Mc 450f: 101 kg, 63 hp. Yamaha Yz250f: 105 kg, 40 hp.

Gas Gas Mc 450f vs Yamaha Yz250f

Q: Gas Gas Mc 450f vs Yamaha Yz250f — which is more fuel-efficient?

Fuel use: Gas Gas Mc 450f ~6.5 L/100km (estimate based on similar platform bikes; varies greatly with riding conditions), 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

Gas Gas Mc 450f vs Yamaha Yz250f. Gas Gas Mc 450f: ~63 hp @ 9,900 rpm (estimated, closely mirrors KTM 450 SX-F figures) hp, 101 kg (wet/curb weight) weight, top speed ~145 km/h (estimated; off-road/motocross bikes are not typically tested for top speed), Motoryk rating 8.0/10. 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.

Gas Gas Mc 450f

Yamaha Yz250f

Performance at a Glance

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

Gas Gas Mc 450f Yamaha Yz250f

Horsepower (hp)

63 hp

40 hp

Torque (Nm)

53 Nm

26 Nm

Top Speed (km/h)

145 km/h

Weight (kg) — lower is better

101 kg

105 kg

Type

Motocross

Horsepower

~63 hp @ 9,900 rpm (estimated, closely mirrors KTM 450 SX-F figures)

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

Torque

~53 Nm @ 7,250 rpm (estimated, based on shared engine platform)

~26 Nm @ 10,000 rpm (estimated)

Top Speed

~145 km/h (estimated; off-road/motocross bikes are not typically tested for top speed)

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

Weight

101 kg (wet/curb weight)

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

Fuel

~6.5 L/100km (estimate based on similar platform bikes; varies greatly with riding conditions)

~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