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All Bikes/Compare/Sherco Sef 300 Racing vs Ktm 450 Exc-f

Sherco Sef 300 Racing vs Ktm 450 Exc-f

Side-by-side comparison for used motorcycle buyers

Sherco Sef 300 Racing vs Ktm 450 Exc-f. Sherco Sef 300 Racing: ~38 hp @ 9,000 rpm (estimated) hp, ~108 kg (wet/curb weight) weight, top speed ~145 km/h (estimated; note: top speed is rarely a priority metric for enduro machines), Motoryk rating 7.8/10. Ktm 450 Exc-f: ~63 hp @ 9,000 rpm (note: KTM does not officially publish output figures; estimate based on third-party dyno testing of 2020–2024 models) hp, 111 kg (wet/curb weight, based on 2022–2024 model specs) weight, top speed ~170 km/h (note: estimate; street-legal gearing limits top end, varies by year and sprocket setup), Motoryk rating 8.5/10.

Performance at a Glance

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

Sherco Sef 300 Racing Ktm 450 Exc-f
Horsepower (hp)
38 hp
63 hp
Torque (Nm)
30 Nm
54 Nm
Top Speed (km/h)
145 km/h
170 km/h
Weight (kg) — lower is better
108 kg
111 kg
Type
Enduro
Enduro
Horsepower
~38 hp @ 9,000 rpm (estimated)
~63 hp @ 9,000 rpm (note: KTM does not officially publish output figures; estimate based on third-party dyno testing of 2020–2024 models)
Torque
~30 Nm @ 7,500 rpm (estimated)
~54 Nm @ 7,000 rpm (note: estimate based on third-party dyno data; official figures not published by KTM)
Top Speed
~145 km/h (estimated; note: top speed is rarely a priority metric for enduro machines)
~170 km/h (note: estimate; street-legal gearing limits top end, varies by year and sprocket setup)
Weight
~108 kg (wet/curb weight)
111 kg (wet/curb weight, based on 2022–2024 model specs)
Fuel
~4.5 L/100km (estimated; highly variable in off-road/enduro conditions)
Estimated 6–9 L/100km depending on terrain and riding style (note: estimate, varies significantly off-road vs. road)
Fairing
No
No

Individual Reviews

Sherco Sef 300 Racing
Sherco Sef 300 Racing
7.8/10

"Brilliant underdog enduro bike — but only buy a well-documented example."

Pros
+Savage, controllable two-stroke power
+Excellent factory suspension setup
+Lighter than comparable four-strokes
Cons
Power valve neglect is costly
Parts sourcing still tricky
Water pump housing weeps
Ktm 450 Exc-f
Ktm 450 Exc-f
8.5/10

"An outstanding used buy, but service history is absolutely non-negotiable."

Pros
+Exceptional power-to-weight ratio
+Street legal enduro capable
+Strong aftermarket parts support
Cons
Expensive maintenance if neglected
Harsh on slow trails
Thirsty for a single

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