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All Bikes/Compare/Kawasaki Kx 250 vs Ktm Sx 250

Kawasaki Kx 250 vs Ktm Sx 250

Side-by-side comparison for used motorcycle buyers

Kawasaki Kx 250 vs Ktm Sx 250. Kawasaki Kx 250: Approximately 40–42 hp @ 13,000 rpm (2020+ 4-stroke model; earlier 2-stroke models varied) hp, 110 kg (curb weight, 2020+ model) weight, top speed Approximately 120–130 km/h (estimate; motocross bikes are not optimized for top speed), Motoryk rating 8.2/10. Ktm Sx 250: Approx. 46–49 hp @ 9,000–10,000 rpm (note: estimate based on recent model years; KTM does not always publish official figures) hp, Approx. 102 kg (wet/curb weight — 2022–2024 models) weight, top speed Approx. 110–120 km/h (note: estimate; top speed is limited in motocross use and varies by gearing), Motoryk rating 8.5/10.

Performance at a Glance

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

Kawasaki Kx 250 Ktm Sx 250
Horsepower (hp)
40 hp
hp
Torque (Nm)
28 Nm
Nm
Top Speed (km/h)
120 km/h
km/h
Weight (kg) — lower is better
110 kg
kg
Type
Motocross
Motocross
Horsepower
Approximately 40–42 hp @ 13,000 rpm (2020+ 4-stroke model; earlier 2-stroke models varied)
Approx. 46–49 hp @ 9,000–10,000 rpm (note: estimate based on recent model years; KTM does not always publish official figures)
Torque
Approximately 28–30 Nm @ 10,500 rpm (2020+ 4-stroke model; estimate)
Approx. 42–45 Nm @ 8,000–9,000 rpm (note: estimate; official figures not consistently published)
Top Speed
Approximately 120–130 km/h (estimate; motocross bikes are not optimized for top speed)
Approx. 110–120 km/h (note: estimate; top speed is limited in motocross use and varies by gearing)
Weight
110 kg (curb weight, 2020+ model)
Approx. 102 kg (wet/curb weight — 2022–2024 models)
Fuel
Estimated 6–8 L/100km (note: varies greatly depending on riding intensity; off-road/motocross use makes precise figures difficult to standardize)
Estimated 6–9 L/100km depending on riding intensity (note: highly variable in off-road/motocross use)
Fairing
No
No

Individual Reviews

Kawasaki Kx 250
Kawasaki Kx 250
8.2/10

"Buy it right and you'll grin every single lap."

Pros
+Explosive, rewarding power delivery
+Sharp, responsive chassis
+Strong parts availability
Cons
Punishing for inexperienced riders
Two-stroke maintenance costs pile up
Power valve requires regular attention
Ktm Sx 250
Ktm Sx 250
8.5/10

"A brilliant, brutal machine that rewards preparation and punishes neglect."

Pros
+Explosive, addictive two-stroke power
+World-class WP suspension
+Lightweight and flickable chassis
Cons
Powervalve neglect is rampant
Unforgiving for inexperienced riders
Maintenance intervals demand strict discipline

Top 10 Accessories

Picks that work on either bike.

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10W-40 2-stroke premix oil
Engine Oil
10W-40 2-stroke premix oil
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🛢️
Engine Oil
10W-40 Semi-Synthetic Motorcycle Oil JASO MA
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⚙️
Oil Filter
Oil Filter
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⚙️
Oil Filter
Oil Filter for KTM SX 250
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🌬️
Twin Air · Air Filter
Twin Air Power Filter
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Twin Air Air Filter for KTM SX 250
Twin Air · Air Filter
Twin Air Air Filter for KTM SX 250
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NGK · Spark Plugs
NGK BR9EG spark plug
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Spark Plugs
Spark Plug for KTM SX 250
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Full-Face Motorcycle Helmet
Helmet
Full-Face Motorcycle Helmet
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Riding Gloves
Gloves
Riding Gloves
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