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All Bikes/Compare/Suzuki Gsx-s125 vs Kawasaki Z1000

Suzuki Gsx-s125 vs Kawasaki Z1000

Side-by-side comparison for used motorcycle buyers

Suzuki Gsx-s125 vs Kawasaki Z1000. Suzuki Gsx-s125: 15 hp @ 10,000 rpm (note: restricted to 11 kW / ~15 hp for A1 licence compliance) hp, 134 kg (wet/curb weight) weight, top speed 110 km/h (estimated; note: electronically limited to comply with A1 category regulations), Motoryk rating 7.5/10. Kawasaki Z1000: 142 hp @ 10,000 rpm hp, 235 kg (wet/curb weight) weight, top speed 225 km/h, Motoryk rating 7.8/10.

Performance at a Glance

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

Suzuki Gsx-s125 Kawasaki Z1000
Horsepower (hp)
15 hp
142 hp
Torque (Nm)
11.5 Nm
111 Nm
Top Speed (km/h)
110 km/h
225 km/h
Weight (kg) — lower is better
134 kg
235 kg
Type
Naked
Naked
Horsepower
15 hp @ 10,000 rpm (note: restricted to 11 kW / ~15 hp for A1 licence compliance)
142 hp @ 10,000 rpm
Torque
11.5 Nm @ 8,000 rpm
111 Nm @ 7,300 rpm
Top Speed
110 km/h (estimated; note: electronically limited to comply with A1 category regulations)
225 km/h
Weight
134 kg (wet/curb weight)
235 kg (wet/curb weight)
Fuel
2.5 L/100km or approximately 40 km/L (typical real-world average)
6.5–7.5 L/100km (typical real-world average)
Fairing
No
No

Individual Reviews

Suzuki Gsx-s125
Suzuki Gsx-s125
7.5/10

"The sharpest 125 commuter you can buy used right now."

Pros
+Solid Suzuki build quality
+Fuel injection, easy starts
+Nimble urban commuter
Cons
Chain wears quickly urban use
Header pipes rust prone
Limited highway capability
Kawasaki Z1000
Kawasaki Z1000
7.8/10

"Raw, uncompromising supernaked that rewards confident, experienced riders enormously."

Pros
+Brutal, characterful inline-four engine
+Aggressive styling still turns heads
+Sharp, communicative chassis
Cons
Highway comfort genuinely poor
Valve checks get expensive fast
Drop damage very common used

Top 10 Accessories

Picks that work on either bike.

Affiliate · we may earn
🛢️
Motul · Engine Oil
Motul 5100 10W-40 4T 1L
View on Amazon →
🛢️
Motul · Engine Oil
Motul 7100 10W-40 Synthetic 4L
View on Amazon →
⚙️
HifloFiltro · Oil Filter
HifloFiltro HF971 Oil Filter
View on Amazon →
HifloFiltro HF303
HifloFiltro · Oil Filter
HifloFiltro HF303
View on Amazon →
🌬️
Air Filter
Air filter for Suzuki GSX-S125
View on Amazon →
🌬️
K&N · Air Filter
K&N KA-1010 (Z1000 2010+)
View on Amazon →
Spark Plugs
Spark plug for Suzuki GSX-S125
View on Amazon →
NGK · Spark Plugs
NGK CR9EIA-9 (x4)
View on Amazon →
Full-Face Motorcycle Helmet
Helmet
Full-Face Motorcycle Helmet
View on Amazon →
Riding Gloves
Gloves
Riding Gloves
View on Amazon →
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