Gas Gas Ex 350f vs Yamaha Yz450f — which has more power?

Gas Gas Ex 350f produces ~63 hp @ 9,500 rpm (estimate based on KTM EXC-F 350 platform; GAS GAS does not publish official figures); Yamaha Yz450f produces Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end). Gas Gas Ex 350f wins by 3 hp.

Gas Gas Ex 350f vs Yamaha Yz450f — which is faster?

Top speed: Gas Gas Ex 350f ~175 km/h (estimate; limited by off-road gearing and use case), Yamaha Yz450f Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure). Gas Gas Ex 350f is the faster of the two.

Gas Gas Ex 350f vs Yamaha Yz450f — which is lighter?

Weight: Gas Gas Ex 350f 111 kg (wet/curb weight), Yamaha Yz450f 110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier).

Gas Gas Ex 350f vs Yamaha Yz450f — which is more reliable?

Motoryk rates Gas Gas Ex 350f 8.0/10 and Yamaha Yz450f 8.5/10. Yamaha Yz450f scores higher on the overall verdict. Gas Gas Ex 350f caveat: You want casual low-maintenance weekend transport. Yamaha Yz450f caveat: Beginners or riders skipping routine maintenance schedules.

Gas Gas Ex 350f vs Yamaha Yz450f — which is better for beginners?

Neither is a typical first-bike pick — Gas Gas Ex 350f 63 hp, Yamaha Yz450f 60 hp. Consider a smaller-displacement bike for licensing year one.

Gas Gas Ex 350f vs Yamaha Yz450f — which should I commute on daily?

Both can commute, but lighter weight and gentler power win in traffic. Gas Gas Ex 350f: 111 kg, 63 hp. Yamaha Yz450f: 110 kg, 60 hp.

Gas Gas Ex 350f vs Yamaha Yz450f

Q: Gas Gas Ex 350f vs Yamaha Yz450f — which is more fuel-efficient?

Fuel use: Gas Gas Ex 350f Estimated 4.5–6.0 L/100km (note: varies significantly with terrain and riding style; no official manufacturer figure published), Yamaha Yz450f Estimated 6–8 L/100km under typical motocross/off-road use (note: highly variable depending on riding intensity; no official road consumption figure exists for this competition-focused bike). 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 Ex 350f vs Yamaha Yz450f. Gas Gas Ex 350f: ~63 hp @ 9,500 rpm (estimate based on KTM EXC-F 350 platform; GAS GAS does not publish official figures) hp, 111 kg (wet/curb weight) weight, top speed ~175 km/h (estimate; limited by off-road gearing and use case), Motoryk rating 8.0/10. Yamaha Yz450f: Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end) hp, 110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier) weight, top speed Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure), Motoryk rating 8.5/10.

Gas Gas Ex 350f

Yamaha Yz450f

Performance at a Glance

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

Gas Gas Ex 350f Yamaha Yz450f

Horsepower (hp)

63 hp

60 hp

Torque (Nm)

39 Nm

53 Nm

Top Speed (km/h)

175 km/h

145 km/h

Weight (kg) — lower is better

111 kg

110 kg

Type

Motocross

Horsepower

~63 hp @ 9,500 rpm (estimate based on KTM EXC-F 350 platform; GAS GAS does not publish official figures)

Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end)

Torque

~39 Nm @ 7,500 rpm (estimate based on shared KTM Group platform)

Approximately 53–55 Nm @ 8,000 rpm (estimate; Yamaha does not officially publish torque figures for this model)

Top Speed

~175 km/h (estimate; limited by off-road gearing and use case)

Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure)

Weight

111 kg (wet/curb weight)

110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier)

Fuel

Estimated 4.5–6.0 L/100km (note: varies significantly with terrain and riding style; no official manufacturer figure published)

Estimated 6–8 L/100km under typical motocross/off-road use (note: highly variable depending on riding intensity; no official road consumption figure exists for this competition-focused bike)

Fairing